Home > Pharmaceutical Standards > 7-tert-Butyl-1-methylpyrene (155386-57-5)
7-tert-Butyl-1-methylpyrene CAS 155386-57-5
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 155386-57-5
Molecular Formula C21H20
Molecular Weight 272.38 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description 7-tert-Butyl-1-methylpyrene (CAS 155386-57-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H20. Molecular weight: 272.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties Molecular Formula C21H20 Molecular Weight 272.38 g/mol Purity 97%+ Storage Store at 2-8°C, protect from light Solubility (reference) Soluble in chloroform, dichloromethane, ethyl acetate Stability Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 12.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 2001
Recommended Standards 2,3,6,7-Tetramethyl-1,4,4a,5,8,8a,9a,10a-octahydroanthracene-9,10-dione (CAS 15254-26-9) Tert-butyl 4-((dimethylamino)methyl)-4-methoxypiperidine-1-carboxylate (CAS 1612173-04-2) Dimethyl tridecanedioate (CAS 1472-87-3) methyl 3-(aminomethyl)bicyclo[1.1.1]pentane-1-carboxylate hydrochloride (CAS 1638761-28-0) 2-(6-(4-Hydroxyphenoxy)-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 686773-84-2) Nicergoline Impurity 21 (CAS 23495-64-9) 1-piperazineacetic acid, 4-[(1,1-dimethylethoxy)carbonyl]-alpha-(2-fluorophenyl)-
2 - (4 - Boc - piperazinyl) - 2 - (2 - fluoro - phenyl)acetic acid
4-[Carboxy-(2-fluoro-phenyl)-methyl]-piperazine-1-carboxylic acid tert-butyl ester
444892-80-2
[4-(tert-butoxycarbonyl)-1-piperazinyl](2-fluorophenyl)acetic acid (CAS 444892-80-2) 1-(2-(Ethylamino)pyrimidin-4-yl)ethanone (CAS 864464-02-8) 6-Methoxy-3-azabicyclo[3.1.1]heptaneDISCONTINUED PLEASE SEE M279075 (CAS 1883700-43-3) Semaglutide impurity 193 (CAS CATO-C4X-2226193)
« N-Nitroso Vancomycin Trifluoroacetate 1-(Fluoromethyl)cyclobutane-1-carboxylic acid »
Why CATO?
ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
130,000+ catalog items in stock, COA supplied with every batch
Worldwide shipping with full export documentation (HS code guidance available)
Technical support: +86 13829788188 / jacky.chen@cato-chem.com