
Pharmaceutical Standards
Pharmaceutical standards are a comprehensive set of reference materials essential for ensuring the safety, efficacy, and quality of pharmaceutical products. This category includes standards for active pharmaceutical ingredients (APIs), which are the core components responsible for therapeutic effects. Additionally, it covers compounds and metabolites relevant to both the pharmaceutical and veterinary industries, providing benchmarks for the accurate measurement and analysis of these substances. Nitrosamine control standards are crucial for detecting and mitigating potentially harmful nitrosamines in drug formulations. Toxicology standards help assess the safety and potential adverse effects of pharmaceutical compounds. Furthermore, enzyme activators and inhibitors standards are vital for research and development, enabling precise studies of biochemical pathways and drug mechanisms. These pharmaceutical standards are indispensable tools for regulatory compliance, quality control, and research, ensuring that pharmaceutical products meet stringent safety and effectiveness criteria.
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(273,753 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,606 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,603 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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N-Desmethyl Rosuvastatin Disodium Salt Monohydrate
CAS:Controlled Product<p>Applications Inhibits the enzyme HMG-CoA reductase in vitro.<br>References Endo, A., et al.: J. Antibiot., 32, 852 (1979), Alberts, A.W., et al.: Drug Invest., 2 (Suppl. 2), 9 (1990), Kuroda, M., et al.: Biochim. Biophys. Acta, 486, 70 (1977),<br></p>Formula:C21H24FN3Na2O6S•H2OColor and Shape:NeatMolecular weight:511.481802Trimethylurea
CAS:Controlled Product<p>Applications Trimethylurea (cas# 632-14-4) is a useful research chemical.<br></p>Formula:C4H10N2OColor and Shape:NeatMolecular weight:102.14α-Tocopherol Phosphate Disodium Salt
CAS:Controlled ProductFormula:C29H49Na2O5PColor and Shape:White To Off-WhiteMolecular weight:554.65Cholesteryl Acetate Dibromide(Mixture of Diastereomers)
CAS:Controlled Product<p>Applications Cholesteryl Acetate Dibromide is an brominated intermediate in the synthesis of Cholesterol (C432501) derivatives.<br>References Kandutsch, A.A., et al.: J. Biol. Chem., 249, 6057 (1974);<br></p>Formula:C29H48Br2O2Color and Shape:NeatMolecular weight:588.5Vitamin B2 (Riboflavin) 13C4 ,15N2
CAS:Controlled ProductFormula:C4C13H2015N2N2O6Color and Shape:NeatMolecular weight:382.32Lumichrome
CAS:Controlled Product<p>Applications Lumichrome is a derivative of Riboflavin (R415000), a vitamin with a key role in maintaining cellular function and health in human and animals. Dyes and metabolites.<br>References Rajamani, S., et al.: Mol. Plant. Microbe. Interact., 21, 1184 (2008); Unna, K., et al.: J. Pharmacol. Exp. Ther., 76, 75 (1942), Rivlin, et al.: N. Engl. J. Med., 283, 463 (1970), Al-Shammary, F.J., et al.: Anal. Profiles Drug Subs., 19, 429 (1990),<br></p>Formula:C12H10N4O2Color and Shape:YellowMolecular weight:242.232-(9H-Carbazol-1-yl)acetic Acid
CAS:Controlled ProductFormula:C14H11NO2Color and Shape:NeatMolecular weight:225.243N-Methylcytisine
CAS:<p>Applications N-Methylcytisine (cas# 486-86-2) is a compound useful in organic synthesis.<br></p>Formula:C12H16N2OColor and Shape:Off-WhiteMolecular weight:204.27Surfactin
CAS:<p>Applications Surfactin is a lipopeptide antibiotic and biosurfactant.<br></p>Formula:C53H93N7O13Color and Shape:NeatMolecular weight:1036.34N-Desmethyl Azelastine
CAS:Controlled Product<p>Applications The main phase I metabolites of Azelastine.<br>References Adusumalli, V., et al.: Drug Metab. Dispos, 20, 530 (1992), Mano, N., et al.: J. Pharm. Biomed. Anal., 12, 557 (1994), Baldwin, S., et al.: Xenobiotica, 25, 261 (1995), Kobayashi, K., et al.: J. Pharmacol. Exp. Ther., 280, 927 (1997),<br></p>Formula:C21H22ClN3OColor and Shape:NeatMolecular weight:367.87Gentiopicroside
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications Gentiopicroside is an anticonvulsant agent present in plant extracts.<br>References Mahendran, G. et al.: Biomed. Res. Int., 2015, 542385 (2014);<br></p>Formula:C16H20O9Color and Shape:NeatMolecular weight:356.32Betamethasone 21-Acetate 17-Propionate
CAS:<p>Impurity Betamethasone Dipropionate EP Impurity D<br>Applications Betamethasone 21-acetate-17-propionate (Betamethasone Dipropionate EP Impurity D) is a related compound of Betamethasone dipropionate (B327005).<br>References Grootveld, M., et al.: Biochem. Pharmacol., 37, 271 (1988), Chen, B., et al.: Steriods, 74, 30 (2009), Mikami, E., et al.: J. Pharm. Biomed. Anal., 28, 261 (2002),<br></p>Formula:C27H35FO7Color and Shape:NeatMolecular weight:490.561Pirenoxine
CAS:Controlled Product<p>Applications Pirenoxine, is a medication used in the possible treatment and prevention of cataracts.<br>References Liao, J. H. et al.: Inorganic Chemistry. 50 (1): 365–377.<br></p>Formula:C16H8N2O5Color and Shape:NeatMolecular weight:308.254-Nitrophenol-13C6
CAS:Controlled Product<p>Applications 4-Nitrophenol-13C6 is an intermediate in the synthesis of labelled 4-Aminophenol (A618920). It is also a nephrotoxic metabolite of Acetaminophen (A161220) and Phenacetin (P294580) (1,2).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References (1) Watanabe, et al.: Drug Metab. Dispos., 38, 1532 (2010)(2) Batuta, S. and Begum, N. A. Synth. Commun. 47, 137-147 (2017)<br></p>Formula:C6H5NO3Color and Shape:NeatMolecular weight:145.065(4-Bromophenyl)urea
CAS:<p>Applications (4-Bromophenyl)urea (cas# 1967-25-5) is a useful research chemical.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>Formula:C7H7N2OBrColor and Shape:Off-White To PurpleMolecular weight:215.053,5-Diaminosalicylic Acid Dihydrochloride
CAS:Controlled Product<p>Impurity Mesalazine EP Impurity J (HCl)<br>Stability Hygroscopic<br>Applications 3,5-Diaminosalicylic acid Dihydrochloride, is the sulfate salt of 3,5-Diaminosalicylic acid. 3,5-Diaminosalicylic acid is an aromatic compound that belongs to a group of aminobenzoic acids (and derivatives) that can be used practically to prevent food spoilage and can treat animal protein aging.<br>References Ulrich, P., et al. Aminobenzoic Acids and Derivatives and Methods of Use for Preventing Protein Aging. US Patent 5514676. May 7 1996.<br></p>Formula:C7H8N2O3·2HClColor and Shape:NeatMolecular weight:168.1523646(3α,5α,17α)-19-Norpregnane-3,17-diol
CAS:Controlled ProductFormula:C20H34O2Color and Shape:NeatMolecular weight:306.48trans-Carboxy Glimepiride
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications An active metabolite of Glimepiride (G410150).<br>References Groop, L., et al.: Diabetes Care, 15, 737 (1992), Muller, G., et al.: Diabetes, 42, 1852 (1993), Kramer, W., et al.: Biochem. Biophys. Acta, 119, 278 (1994),<br></p>Formula:C24H32N4O7SColor and Shape:NeatMolecular weight:520.6Copper Acetoarsenite (Technical Grade)
CAS:<p>Applications Copper Acetoarsenite has been used as a rodenticide and insecticide, and also as a pigment, despite its toxicity. It is also used as a blue colorant for fireworks.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Gaines, T.: Toxicol. Appl. Pharm., 2, 88 (1960); Jameson, F.: Paint Manu., 13, 6 (1943)<br></p>Formula:C2H3O2·6AsO2·4CuColor and Shape:NeatMolecular weight:1013.79Ajmaline
CAS:Controlled Product<p>Applications An antiarrhythmic agent isolated from Rauwolfia serpentina.<br>References Galarreta, B., et al.: Bioorg. Med. Chem., 16, 6689 (2008), Sun, L., et al.: Plant Mol. Biol., 67, 455 (2008), Ruiz-May, E., et al.: Mol. Biotechnol., 41, 278 (2009),<br></p>Formula:C20H26N2O2Color and Shape:WhiteMolecular weight:326.432-Hydroxy Atorvastatin Calcium Salt
CAS:Controlled Product<p>Applications di(2-Hydroxy Atorvastatin) Calcium Salt is a metabolite of Atorvastatin Calcium Salt (A791750), a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia.<br>References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993); Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996); Whitfield, L.R., et al.: Eur. J. Drug Metab. Pharmacokinet., 25, 97 (2000)<br></p>Formula:C66H68CaF2N4O12Color and Shape:White To YellowMolecular weight:1187.35Chlorpheniramine-d6 Maleate Salt
CAS:Controlled Product<p>Applications Antihistaminic.<br>References Roth, F.E., et al.: J. Pharmacol. Exp. Ther., 124, 347 (1958), Smith, R.B., et al.: Toxicol. Appl. Pharmacol., 28, 240 (1974), Eckhart, C.G., et al.: Anal. Profiles Drug Subs., 7, 43 (1978)<br></p>Formula:C16D6H13ClN2·C4H4O4Color and Shape:WhiteMolecular weight:396.90N-Acetyl Sulfapyridine
CAS:Controlled Product<p>Applications A major active metabolite related to the adverse effects of Sulfasalazine in human serum.<br>References Stenson, W., et al.: J. Clin. Invest., 69, 494 (1982), Bissonnette, E., et al.: J. Immunol., 156, 218 (1996), Hirohata, S., et al.: J. Neurol. Sci., 67, 115 (1985), Pullar, T., et al.: Br. Med. J., 290, 1535 (1985), Ireland, A., et al.: Clin. Sci., 78, 119 (1990),<br></p>Formula:C13H13N3O3SColor and Shape:NeatMolecular weight:291.33rac 2-Isopropyl Pentanoic Acid
CAS:Controlled Product<p>Impurity Valproic Acid USP Related Compound B<br>Applications A constitutional isomer of Valproic acid; a potent anticonvulsant. Sodium valproate impurity C. Valproic Acid USP Related Compound B.<br>References Levy, R., et al.: Pharm. Res., 8, 551 (1991), Barton, M., et al.: Epilepsy Res., 47, 217 (2001), Fox, A., et al.: Pain, 105, 355 (2003), Archer, D., et al.: Anesth. Analg., 104, 180 (2007),<br></p>Formula:C8H16O2Color and Shape:Colourless To Light YellowMolecular weight:144.21Dabigatran Carboxamide Ethyl Ester
CAS:<p>Applications Dabigatran Carboxamide Ethyl Ester is an impurity of Dabigatran Etexilate Mesylate (D100150) which is a nonpeptide, direct thrombin inhibitor.<br>References Hauel, N., et al.: J. Med. Chem., 45, 1757 (2002); Mungall, D., et al.: Curr. Opin. Invest. Drugs, 3, 095 (2002); Stangier, J., et al.: J. Clin. Pharmacol., 45, 555 (2005)<br></p>Formula:C27H28N6O4Color and Shape:Off-WhiteMolecular weight:500.554-Hydroxy Estradiol 1-N7-Guanine
CAS:Controlled Product<p>Applications 4-Hydroxy Estradiol 1-N7-Guanine is an estrogen metabolite formed with DNA which can lead to the mutations that initiate breast, prostate, and other types of cancer. Estrogen-DNA depurinating adducts as biomarkers of cancer risk and their use in cancer detection and prevention.<br>References Chakravarti, D., et al.: Mutat. Res., 456, 17 (2000), Liehr, J., et al.: Endocr. Rev., 21, 4054 (2000), Chakravarti, D., et al.: Oncogene, 20, 7945 (2001), Cavalieri, E., et al.: Chem. Res. Toxicol., 14, 1041 (2002),<br></p>Formula:C23H27N5O4Color and Shape:NeatMolecular weight:437.49N-(Methyl-d3)-4-phenylpyridinium Iodide
CAS:Controlled Product<p>Applications A labelled dopaminergic neurotoxin; a selective cytostatic agent in small-cell lung cancer cell lines with neuroendocrine properties.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Marini, A.M. et al.: J, Nat. Cancer Inst., 84, 1582 (1992); Singh, M. et al.: Arch. Biochem. Biophys., 286, 138 (1991); Santiago, M. et al.: J. Neurosci. Meth., 108, 181 (2001);<br></p>Formula:C122H3H9N·IColor and Shape:NeatMolecular weight:300.15Cyclizine Hydrochloride
CAS:<p>Applications Cyclizine is a piperazine derivative with anti-emetic activity that is useful in the prevention and treatment of nausea and vomiting associated with motion sickness. Antiemetic.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kuntzman, R., et al.: J. Pharmacol. Exp. Ther., 158, 332 (1967), Walker, R., et al.: Eur. J. Pharm. Sci., 4, 301 (1996), Dumasia, M., et al.: Xenobiotica, 32, 795 (2002),<br></p>Formula:C18H22N2·ClHColor and Shape:White PowderMolecular weight:302.84(4R,6S)-6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
CAS:Controlled Product<p>Impurity Rosuvastatin EP Impurity F<br>Applications (4R,6S)-6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester (Rosuvastatin EP Impurity F) is a Rosuvastatin (R700500) intermediate as HMG-CoA reductase inhibitor.<br>References Beck, et al.: J. Med. Chem., 33, 52 (1999),<br></p>Formula:C29H40FN3O6SColor and Shape:NeatMolecular weight:577.715,8-Epoxy-13-cis Retinoic Acid(Mixture of Diastereomers)
CAS:Controlled Product<p>Applications A metabolite of 13-cis-Retinoic Acid (R250000).<br>References Samokyszyn, V., et al.: J. Biol. Chem., 262, 14119 (1987), Oldfield, N., et al.: Drug Metabol. Dispos., 18, 1105 (1990), Samokyszyn, V., et al.: Chem. Res. Toxicol., 10, 795 (1997),<br></p>Formula:C20H28O3Color and Shape:NeatMolecular weight:316.43α-Hydroxy Metoprolol (Mixture of Diastereomers)
CAS:Controlled Product<p>Applications A metabolite of Metoprolol.<br>References Lennard, M.S., et al.: Br. J. Clin. Pharmacol., 14, 713 (1982), Gengo, F.M., et al.: Clin. Pharmacol. Ther., 36, 320 (1984),<br></p>Formula:C15H25NO4Color and Shape:Off-White To BeigeMolecular weight:283.36(-)-2-Methyl Isoborneol-d3
CAS:Controlled Product<p>Applications Isotope labelled (-)-2-Methylisoborneol (M314000), which is a derivative of Camphor (1) (C165805). (-)-2-Methylisoborneol is a flavor component of Robusta coffee responsible for the off-flavour aroma (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.<br>References 1. Money T. Nat Prod Rep. 1985 Jun;2(3):253-89.2. Blank I et al.: J Agric Food Chem. 2002 Jul 31;50(16):4653-6.<br></p>Formula:C112H3H17OColor and Shape:NeatMolecular weight:171.294’-Hydroxy Nimesulide
CAS:Controlled Product<p>Applications The main metabolite of Nimesulide (N477500).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Facino, R.M., et al.: Drugs, 46 (Suppl1),15 (1993), Westphal, J., et al.: J. Antimicrob. Chemother., 33, 387 (1994), Castell, J., et al.: Cell Biol. Toxicol., 13, 331 (1997), Georges, H., et al.: Life Sci., 65, 151 (1999), Singla, A.K., et al.: J. Pharm. Pharmacol., 52, 467 (2000),<br></p>Formula:C13H12N2O6SColor and Shape:White To Light BrownMolecular weight:324.313-Ethyl Adenine-d5 (2% d0)
CAS:Controlled Product<p>Applications 3-Ethyl Adenine-d5 (2% d0) (cas# 147028-85-1) is a compound useful in organic synthesis.<br></p>Formula:C72H5H4N5Color and Shape:White To Off-WhiteMolecular weight:168.21(1R)-(+)-a-Pinene (~80% ee)
CAS:Controlled Product<p>Applications (1R)-(+)-α-Pinene is used in hydroboration reactions and the reduction of ketones.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Brown, H. et al.: J. Org. Chem., 50, 1384 (1985);<br></p>Formula:C10H16Color and Shape:NeatMolecular weight:136.23cis-10-Hydroxy Nortriptyline
CAS:<p>Applications A metabolite of Nortriptyline (N837000).<br>References Callaghan, R., et al.: J. Biol. Chem., 268, 16059 (1993), Dagenais, C., et al.: Biochem. Pharmacol., 67, 269 (2004), Doran, A., et al.: Drug Metab. Dispos., 33, 165 (2005),<br></p>Formula:C19H21NOColor and Shape:NeatMolecular weight:279.38Cabazitaxel
Controlled Product<p>Applications A novel semi-synthetic taxane with antitumor activity used for the treatment of castration-resistant prostate cancer. A microtubule inhibitor.<br>References Agarwal, N. et al.: Fut. Oncol., 7, 15 (2011); Mita, A. et al.: Clin. Cancer Res., 15, 723 (2009); Figg, W.D. et al.: Cancer Biol. Ther., 10, 1233 (2010);<br></p>Formula:C45H57NO14Color and Shape:White SolidMolecular weight:835.93Glutaric-d4 Acid
CAS:Controlled Product<p>Applications Glutaric Acid (2,2,4,4-D4, 98%) (cas# 19136-99-3) is a useful research chemical.<br></p>Formula:C5D4H4O4Color and Shape:NeatMolecular weight:136.143,5-Dimethyl-4-nitropyridine 1-Oxide
CAS:<p>Applications 3,5-Dimethyl-4-nitropyridine 1-Oxide is an intermediate used to prepare 2-[(2-pyridylmethyl)thio or -sulfinyl]benzimidazoles as antiulcer agents.<br>References Nohara, A., et al.: U.S., US 4689333 A 19870825. (1987)<br></p>Formula:C7H8N2O3Color and Shape:Off White SolidMolecular weight:168.504-Hydroxy Omeprazole Sulfide
CAS:Controlled Product<p>Stability Light Sensitive<br>Applications An intermediate in the preparation of Omeprazole metabolites.<br>References Hoffmann, K., et al.: Drug Metab. Disposition, 14, 341 (1986), Andersson, T., et al.: Brit. J. Clin. Pharmacol., 36, 521 (1993),<br></p>Formula:C16H17N3O2SColor and Shape:NeatMolecular weight:315.39Perindoprilat(Mixture of Diastereomers)
CAS:Controlled Product<p>Applications Perindoprilat is an angiotensin-converting enzyme (ACE) inhibitor and antihypertensive.<br>References Pascard, C., et al.: J. Med. Chem., 34, 663 (1991)<br></p>Formula:C17H28N2O5Color and Shape:NeatMolecular weight:340.41rac Indapamide-N-sulfonamido-β-D-glucuronide (Mixture of Diastereomers)
<p>Stability Hygroscopic<br>Applications rac Indapamide-N-sulfonamido-β-D-glucuronide_x000D__x000D_(Mixture of Diastereomers) is a compound useful in organic synthesis.<br></p>Formula:C22H24ClN3O9SPurity:>85%Color and Shape:Off White SolidMolecular weight:541.9621-Desacetyl Amcinonide
CAS:Controlled Product<p>Applications Amcinonide (A576150) analog as glucocorticoid receptor agonists for the treatment of inflammation and allergic conditions.<br>References Woodford, R., et al.: Curr. Ther. Res., 26, 301 (1979),<br></p>Formula:C26H33FO6Color and Shape:NeatMolecular weight:460.54Fulvestrant 9-Sulfone
CAS:Controlled Product<p>Impurity Fulvestrant EP Impurity B<br>Applications A metabolite of Fulvestrant (F862500).<br>References Rao, P., et al.: J. Steroid Biochem., 25, 417 (1986), Wakeling, A., et al.: J. Steroid Biochem. Mol. Biol., 43, 173 (1992), DeFriend, D., et al.: Cancer Res., 54, 408 (1994),<br></p>Formula:C32H47F5O4SColor and Shape:NeatMolecular weight:622.77Indole-3-butyric Acid
CAS:<p>Applications Used to stimulate root formation of plant clippings. Suitable for plant cell culture tested.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Handa, A., et al.: Plant Physiol., 69, 514 (1982), Polanco, C., et al.: Plant Sci., 162, 817 (2002), Rzepka-Plevnes, D., et al.: J. Food Agric. Environ., 5, 194 (2007),<br></p>Formula:C12H13NO2Color and Shape:BeigeMolecular weight:203.24(S)-(-)-Dropropizine
CAS:<p>Applications S-Form of Dropropizine. Cough suppressive phenylpiperazine derivative. Antitussive.<br>References Noel, P.R.B., et al.: Arzneim.-Forsch., 19, 1246 (1969), Cartwright, K., et al.: J. Pharm. Pharmacol., 23, Suppl., 247S (1971), Moreo, GC., et al.: Gazz. Med. Ital., 140, 409 (1981),<br></p>Formula:C13H20N2O2Color and Shape:WhiteMolecular weight:236.31Benazepril Acyl-β-D-glucuronide
Controlled Product<p>Stability Hygroscopic<br>Applications Used as an antihypertensive.This compound is very unstable in solution and will hydrolyze readily to give benazapril.<br></p>Formula:C30H36N2O11Purity:>85%Color and Shape:NeatMolecular weight:600.61

