90274-24-1 | Ractopamine HCl

Packsize	Purity	Availability	Price	Discounted Price
100mg	≥95% (mixture of isomers)	in stock	$72.00	$51.00
250mg	96%	in stock	$106.00	$75.00
1g	96%	in stock	$299.00	$209.00

Description

• Catalog Number: AI60419
• Chemical Name: Ractopamine HCl
• CAS Number: 90274-24-1
• Molecular Formula: C18H24ClNO3
• Molecular Weight: 337.8411
• MDL Number: MFCD07781271
• SMILES: CC(NCC(c1ccc(cc1)O)O)CCc1ccc(cc1)O.Cl
• NSC Number: 759638

Computed Properties

• Complexity: 297
• Covalently-Bonded Unit Count: 2
• Heavy Atom Count: 23
• Hydrogen Bond Acceptor Count: 4
• Hydrogen Bond Donor Count: 5
• Rotatable Bond Count: 7
• Undefined Atom Stereocenter Count: 2

Literature

• Highly sensitive near-simultaneous assay of multiple 'lean meat agent' residues in swine urine using a disposable electrochemiluminescent immunosensors array.

  Biosensors & bioelectronics 20130115

• The interaction between ractopamine supplementation, porcine somatotropin and moisture infusion on pork quality.

  Meat science 20121001

• An electrochemical sensor for rapid determination of ractopamine based on a molecularly imprinted electrosynthesized o-aminothiophenol film.

  Analytical and bioanalytical chemistry 20121001

• Sulfation of ractopamine and salbutamol by the human cytosolic sulfotransferases.

  Journal of biochemistry 20120901

• Development of a single-chain variable fragment-alkaline phosphatase fusion protein and a sensitive direct competitive chemiluminescent enzyme immunoassay for detection of ractopamine in pork.

  Analytica chimica acta 20120729

• Multi-spectroscopic methods combined with molecular modeling dissect the interaction mechanisms of ractopamine and calf thymus DNA.

  Molecular bioSystems 20120706

• Myocardial toxicity in a group of greyhounds administered ractopamine.

  Veterinary pathology 20120501

• Effects of sequential feeding of β-adrenergic agonists on cull cow performance, carcass characteristics, and mRNA relative abundance.

  Journal of animal science 20120501

• UPLC-MS/MS determination of ractopamine residues in retinal tissue of treated food-producing pigs.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20120501

• Effect of the administration program of 2 β-adrenergic agonists on growth performance and carcass and meat characteristics of feedlot ram lambs.

  Journal of animal science 20120501

• Sensitive detection of small molecules by competitive immunomagnetic-proximity ligation assay.

  Analytical chemistry 20120306

• The effect of corn distiller's dried grains with solubles, ractopamine, and conjugated linoleic acid on the carcass performance, meat quality, and shelf-life characteristics of fresh pork following three different storage methods.

  Meat science 20120301

• Determination of residual ractopamine concentrations by enzyme immunoassay in treated pig's tissues on days after withdrawal.

  Meat science 20120301

• Myostatin allelic status interacts with level of nutrition to affect growth, composition, and myofiber characteristics of lambs.

  Journal of animal science 20120201

• Segmental arterial mediolysis--an iatrogenic vascular disorder induced by ractopamine.

  Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology 20120101

• [A novel flow injection chemiluminescence method with ferricyanide and luminol for the determination of ractopamine in biological samples].

  Guang pu xue yu guang pu fen xi = Guang pu 20120101

• [Molecularly-imprinted solid phase extraction coupled with high performance liquid chromatography for the determination of ractopamine in feed samples].

  Se pu = Chinese journal of chromatography 20120101

• ERP grants first action status to candidate tissue residue methods for high-priority animal drugs.

  Journal of AOAC International 20120101

• Determination of ractopamine in swine, bovine, and turkey tissues by HPLC with fluorescence detection: first action 2011.22.

  Journal of AOAC International 20120101

• Molecularly imprinted solid-phase extraction for the selective HPLC determination of ractopamine in pig urine.

  Journal of separation science 20111201

• Impact of dietary energy level and ractopamine on growth performance, carcass characteristics, and meat quality of finishing pigs.

  Journal of animal science 20111101

• Fatty acid profiles and iodine value correlations between 4 carcass fat depots from pigs fed varied combinations of ractopamine and energy.

  Journal of animal science 20111101

• Covalent imprinted polymer for selective and rapid enrichment of ractopamine by a noncovalent approach.

  Analytical and bioanalytical chemistry 20111001

• Rapid determination of ractopamine in swine urine using surface-enhanced Raman spectroscopy.

  Journal of agricultural and food chemistry 20110928

• Dietary monensin level, supplemental urea, and ractopamine on fecal shedding of Escherichia coli O157:H7 in feedlot cattle.

  Journal of animal science 20110901

• Feedlot efficiency implications on greenhouse gas emissions and sustainability.

  Journal of animal science 20110801

• The impact of ractopamine hydrochloride on growth and metabolism, with special consideration of its role on nitrogen balance and water utilization in pork production.

  Journal of animal science 20110701

• Comparison of varying doses and durations of ractopamine hydrochloride on late-finishing pig carcass characteristics and meat quality.

  Journal of animal science 20110701

• Preparation, characterization and application of organic-inorganic hybrid ractopamine multi-template molecularly imprinted capillary monolithic column.

  Analytica chimica acta 20110429

• The effect of ractopamine hydrochloride on gene expression in adipose tissues of finishing pigs.

  Journal of animal science 20110401

• Gene expression of serotonin and dopamine receptors and monoamine oxidase-A in the brain of dominant and subordinate pubertal domestic pigs (Sus scrofa) fed a β-adrenoreceptor agonist.

  Brain research 20110324

• [Terahertz time-domain spectroscopy of ractopamine hydrochloride].

  Guang pu xue yu guang pu fen xi = Guang pu 20110301

• Fresh meat and further processing characteristics of ham muscles from finishing pigs fed ractopamine hydrochloride.

  Journal of animal science 20110101

• Effects of sequential implanting and ractopamine hydrochloride supplementation on carcass characteristics and longissimus muscle tenderness of calf-fed steers and heifers.

  Journal of animal science 20110101

• Simultaneous determination of clenbuterol, salbutamol and ractopamine in milk by reversed-phase liquid chromatography tandem mass spectrometry with isotope dilution.

  Journal of chromatography. A 20101210

• Effects of ractopamine and trenbolone acetate implants with or without estradiol on growth performance, carcass characteristics, adipogenic enzyme activity, and blood metabolites in feedlot steers and heifers.

  Journal of animal science 20101201

• Development and validation of a liquid chromatography tandem mass spectrometry method for the analysis of beta-agonists in animal feed and drinking water.

  Journal of chromatography. A 20100924

• Aggressiveness and brain amine concentration in dominant and subordinate finishing pigs fed the beta-adrenoreceptor agonist ractopamine.

  Journal of animal science 20100901

• Effect of distillers dried grains with solubles and ractopamine (Paylean) on quality and shelf-life of fresh pork and bacon.

  Journal of animal science 20100801

• Development of rapid immunoassays for the detection of ractopamine in swine urine.

  Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 20100801

• Analysis of the interactions of mixtures of two beta-agonists steroids with bovine serum albumin: a fluorescence spectroscopy and chemometrics investigation.

  The Analyst 20100801

• Effect of ractopamine-HCl supplementation for 28 days on carcass characteristics, muscle fiber morphometrics, and whole muscle yields of six distinct muscles of the loin and round.

  Meat science 20100701

• Investigation of ractopamine-imprinted polymer for dispersive solid-phase extraction of trace beta-agonists in pig tissues.

  Journal of separation science 20100701

• Molecular spectroscopic studies on the interaction between ractopamine and bovine serum albumin.

  Journal of pharmaceutical and biomedical analysis 20100605

• Investigation of ractopamine molecularly imprinted stir bar sorptive extraction and its application for trace analysis of beta2-agonists in complex samples.

  Journal of chromatography. A 20100528

• Comparative effects of ractopamine hydrochloride and zilpaterol hydrochloride on growth performance, carcass traits, and longissimus tenderness of finishing steers.

  Journal of animal science 20100501

• Effects of ractopamine and sex on serum metabolites and skeletal muscle gene expression in finishing steers and heifers.

  Journal of animal science 20100401

• Behavior and peripheral amine concentrations in relation to ractopamine feeding, sex, and social rank of finishing pigs.

  Journal of animal science 20100301

• Effects of ractopamine hydrochloride are not confined to mammalian tissue: evidence for direct effects of ractopamine hydrochloride supplementation on fermentation by ruminal microorganisms.

  Journal of animal science 20100201

• Effect of dietary protein and lysine fluctuations in the absence and presence of ractopamine on performance and carcass quality of late-finishing pigs.

  Journal of animal science 20100201

• Development of a colloidal gold-based lateral-flow immunoassay for the rapid simultaneous detection of clenbuterol and ractopamine in swine urine.

  Analytical and bioanalytical chemistry 20091201

• Influence of beta-agonists (ractopamine HCl and zilpaterol HCl) on fecal shedding of Escherichia coli O157:H7 in feedlot cattle.

  Journal of food protection 20091201

• Ractopamine hydrochloride improves growth performance and carcass composition in immunocastrated boars, intact boars, and gilts.

  Journal of animal science 20091101

• Responses to maternal GH or ractopamine during early-mid pregnancy are similar in primiparous and multiparous pregnant pigs.

  The Journal of endocrinology 20091001

• Effect of preslaughter feeding and ractopamine hydrochloride supplementation on growth performance, carcass characteristics, and end product quality in market dairy cows.

  Journal of animal science 20090701

• Effect of ractopamine-hydrochloride on the fiber type distribution and shelf-life of six muscles of steers.

  Journal of animal science 20090501

• Molecularly imprinted polymer for the determination of trace ractopamine in pork using SPE followed by HPLC with fluorescence detection.

  Journal of separation science 20090501

• Simultaneous determination of salbutamol, ractopamine, and clenbuterol in animal feeds by SPE and LC-MS.

  Journal of chromatographic science 20090401

• Effects of a 'step-up' ractopamine feeding program, sex, and social rank on growth performance, hoof lesions, and Enterobacteriaceae shedding in finishing pigs.

  Journal of animal science 20090101

• Development and validation of a simple method for routine analysis of ractopamine hydrochloride in raw material and feed additives by HPLC.

  Journal of AOAC International 20090101

• Highly sensitive and specific liquid chromatography- tandem mass spectrometry method for testing ractopamine in cow and sheep urine.

  Journal of analytical toxicology 20090101

• Rapid determination of ractopamine residues in edible animal products by enzyme-linked immunosorbent assay: development and investigation of matrix effects.

  Journal of biomedicine & biotechnology 20090101

• Differential response of cull cow muscles to the hypertrophic actions of ractopamine-hydrogen chloride.

  Journal of animal science 20081201

• Carcass, meat quality, and sensory characteristics of heavy body weight pigs fed ractopamine hydrochloride (Paylean).

  Journal of animal science 20081201

• Interactive effect of ractopamine and dietary fat source on pork quality characteristics of fresh pork chops during simulated retail display.

  Journal of animal science 20081001

• Effect of feedlot management system on response to ractopamine-HCl in yearling steers.

  Journal of animal science 20080901

• The effects of ractopamine-hydrogen chloride (Optaflexx) on performance, carcass characteristics, and meat quality of finishing feedlot heifers.

  Journal of animal science 20080401

• Effective monitoring for ractopamine residues in samples of animal origin by SPR biosensor and mass spectrometry.

  Analytica chimica acta 20080211

• Effects of ractopamine supplementation and postmortem aging on longissimus muscle palatability of beef steers differing in biological type.

  Journal of animal science 20080101

• Effects of ractopamine hydrochloride on performance, rate and variation in feed intake, and acid-base balance in feedlot cattle.

  Journal of animal science 20071101

• Effects of pantothenic acid on growth performance and carcass characteristics of growing-finishing pigs fed diets with or without ractopamine hydrochloride.

  Journal of animal science 20071001

• Interactive effect of ractopamine and dietary fat source on quality characteristics of fresh pork bellies.

  Journal of animal science 20071001

• Effects of steroidal implantation and ractopamine-HCl on nitrogen retention, blood metabolites and skeletal muscle gene expression in Holstein steers.

  Journal of animal physiology and animal nutrition 20071001

• Determination method for ractopamine in swine and cattle tissues using LC/MS.

  Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan 20071001

• Ractopamine induces differential gene expression in porcine skeletal muscles.

  Journal of animal science 20070901

• Response to ractopamine-HCl in heifers is altered by implant strategy across days on feed.

  Journal of animal science 20070901

• Effect of ractopamine-hydrochloride and trenbolone acetate on longissimus muscle fiber area, diameter, and satellite cell numbers in cull beef cows.

  Journal of animal science 20070801

• Effects of ractopamine supplementation on growth performance and carcass characteristics of feedlot steers differing in biological type.

  Journal of animal science 20070701

• Beta-adrenergic regulation of uncoupling protein expression in swine.

  Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 20070601

• Development and identification of monoclonal antibodies against ractopamine.

  Hybridoma (2005) 20070601

• Residue depletion of ractopamine and its metabolites in swine tissues, urine, and serum.

  Journal of agricultural and food chemistry 20070530

• Time-resolved fluoroimmunoassay for ractopamine in swine tissue.

  Analytical and bioanalytical chemistry 20070201

• Response to ractopamine-hydrogen chloride is similar in yearling steers across days on feed.

  Journal of animal science 20070201

• Effects of two beta-adrenergic agonists on finishing performance, carcass characteristics, and meat quality of feedlot steers.

  Journal of animal science 20061201

• Effects of ractopamine supplementation on behavior of British, Continental, and Brahman crossbred steers during routine handling.

  Journal of animal science 20061201

• Effects of ractopamine and protein source on growth performance and carcass characteristics of feedlot heifers.

  Journal of animal science 20061001

• Effect of ractopamine HCl supplementation on fecal shedding of Escherichia coli O157:H7 and Salmonella in feedlot cattle.

  Current microbiology 20061001

• Effects of ractopamine HCl on Escherichia coli O157:H7 and Salmonella in vitro and on intestinal populations and fecal shedding in experimentally infected sheep and pigs.

  Current microbiology 20060701

• Anabolic effects of feeding beta2-adrenergic agonists on rainbow trout muscle proteases and proteins.

  Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 20060601

• Technical note: a monoclonal antibody-based immunoassay for determination of ractopamine in swine feeds.

  Journal of animal science 20060501

• [Determination of ractopamine in animal urine by SPE-HPLC].

  Se pu = Chinese journal of chromatography 20060501

• Evaluation of the effects of dietary fat, conjugated linoleic acid, and ractopamine on growth performance, pork quality, and fatty acid profiles in genetically lean gilts.

  Journal of animal science 20060301

• Modulation of leptin, insulin, and growth hormone in obese pony mares under chronic nutritional restriction and supplementation with ractopamine hydrochloride.

  Veterinary therapeutics : research in applied veterinary medicine 20060101

• The effects of ractopamine hydrochloride on lean carcass yields and pork quality characteristics.

  Journal of animal science 20051201

• Effects of ractopamine on performance and composition of pigs phenotypically sorted into fat and lean groups.

  Journal of animal science 20050601

• Effects of different cereal grains and ractopamine hydrochloride on performance, carcass characteristics, and fat quality in late-finishing pigs.

  Journal of animal science 20050101

• Determination of beta-agonist residues in bovine urine using liquid chromatography-tandem mass spectrometry.

  Journal of AOAC International 20050101

• The effect of dietary ractopamine concentration and duration of feeding on growth performance, carcass characteristics, and meat quality of finishing pigs.

  Journal of animal science 20041101

• Effects of dietary lysine and energy density on performance and carcass characteristics of finishing pigs fed ractopamine.

  Journal of animal science 20041101

• Response of barrows to space allocation and ractopamine.

  Journal of animal science 20041101

• Effect of a ractopamine feeding program on growth performance and carcass composition in finishing pigs.

  Journal of animal science 20040801

• beta-Adrenergic receptor agonists increase apoptosis of adipose tissue in mice.

  Domestic animal endocrinology 20040101

• Detection and confirmation of ractopamine and its metabolites in horse urine after Paylean administration.

  Journal of analytical toxicology 20040101

• Regulation of the rainbow trout (Oncorhynchus mykiss) hepatic beta2-adrenoceptor by adrenergic agonists.

  Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology 20031001

• Determination of ractopamine in cattle and sheep urine samples using an optical biosensor analysis: comparative study with HPLC and ELISA.

  Journal of agricultural and food chemistry 20030618

• The effect of feeding ractopamine (Paylean) on muscle quality and sensory characteristics in three diverse genetic lines of swine.

  Journal of animal science 20030601

• Development of a model to describe the compositional growth and dietary lysine requirements of pigs fed ractopamine.

  Journal of animal science 20030501

• Beta-adrenergic receptor subtypes that mediate ractopamine stimulation of lipolysis.

  Journal of animal science 20030301

• The effects of ractopamine on the behavior and physiology of finishing pigs.

  Journal of animal science 20030201

• Ractopamine treatment biases in the prediction of pork carcass composition.

  Journal of animal science 20030101

• Stereoselectivity of porcine beta-adrenergic receptors for ractopamine stereoisomers.

  Journal of animal science 20030101

• Simultaneous determination of Zilpaterol and other beta agonists in calf eye by gas chromatography/tandem mass spectrometry.

  Journal of AOAC International 20030101

• Binding of ractopamine HCl to ocular tissues of cattle and turkeys in vivo and to melanin in vitro.

  Journal of animal science 20021101

• Identification of ractopamine residues in tissue and urine samples at ultra-trace level using liquid chromatography-positive electrospray tandem mass spectrometry.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20020705

• Paylean alters myosin heavy chain isoform content in pig muscle.

  Journal of animal science 20020701

• Application of a monoclonal antibody-based enzyme-linked immunosorbent assay for the determination of ractopamine in incurred samples from food animals.

  Journal of agricultural and food chemistry 20020508

• Tissue residues of ractopamine and urinary excretion of ractopamine and metabolites in animals treated for 7 days with dietary ractopamine.

  Journal of animal science 20020501

• Liquid chromatography/electrospray tandem mass spectrometric analysis of incurred ractopamine residues in livestock tissues.

  Rapid communications in mass spectrometry : RCM 20020101

• Immunoaffinity column as sample cleanup method for determination of the beta-adrenergic agonist ractopamine and its metabolites.

  Journal of AOAC International 20020101

• Profile of ligand binding to the porcine beta2-adrenergic receptor.

  Journal of animal science 20010401