tert-butyl (2S)-2-[bis(tert-butoxycarbonyl)amino]-5-hydroxy-pentanoate CAS 257883-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 257883-71-9 |
| Molecular Formula | C19H35NO7 |
| Molecular Weight | 389.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies tert-butyl (2S)-2-[bis(tert-butoxycarbonyl)amino]-5-hydroxy-pentanoate (CAS 257883-71-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H35NO7. Molecular weight: 389.48 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H35NO7 |
| Molecular Weight | 389.48 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 4-Cyano-3,5-difluorophenyl 4'-propyl-[1,1'-bi(cyclohexane)]-4-carboxylate (CAS 145804-13-3)
- (E)-8'H-7'-benzyl-6'-methyl-3',4'-dihydro-8'H-spiro[cyclohexane-1,2'-pyrano[3,2-g]chromen]-8'-one oxime (CAS 1014086-04-4)
- Hetacillin (CAS 3511-16-8)
- 3-Iodoimidazo[1,2-a]pyridine-6-carbonitrile (CAS 885276-13-1)
- (2-Cyclopropylpyrimidin-5-yl)methanol (CAS 954226-64-3)
- 3-(Azepan-1-yl)-1-methyl-1H-pyrazol-4-amine dihydrochloride (CAS 1431967-93-9)
- 5-(4-Chlorophenyl)-N-(3,5-dichlorophenyl)thiazol-2-amine (CAS 256521-70-7)
- Methyl 3-(3-(2-methyl-6-(trifluoromethyl)pyridin-3-yl)ureido)thiophene-2-carboxylate (CAS 2108833-69-6)
- 4-Bromo-2-pyrrolidin-1-ylpyridine (CAS 1142194-47-5)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
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