9F4A95WI5Z 20898-44-6 N-((1,1-Dimethylethoxy)carbonyl)-1-(phenylmethyl)-L-histidine 1-Benzyl-N-(tert-butoxycarbonyl)-L-histidine L-Histidine, N-((1,1-dimethylethoxy)carbonyl)-1-(phenylmethyl)- N-((1,1-Dimethylethoxy)carbonyl)-1-phenylmethyl-L-histidine EINECS 244-105-1 Histidine, 1-benzyl-N-carboxy-, N-tert-butyl ester, L- NSC 164043 UNII-9F4A95WI5Z CAS 20898-44-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20898-44-6 |
| Molecular Formula | C18H33N3O4 |
| Molecular Weight | 355.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9F4A95WI5Z 20898-44-6 N-((1,1-Dimethylethoxy)carbonyl)-1-(phenylmethyl)-L-histidine 1-Benzyl-N-(tert-butoxycarbonyl)-L-histidine L-Histidine, N-((1,1-dimethylethoxy)carbonyl)-1-(phenylmethyl)- N-((1,1-Dimethylethoxy)carbonyl)-1-phenylmethyl-L-histidine EINECS 244-105-1 Histidine, 1-benzyl-N-carboxy-, N-tert-butyl ester, L- NSC 164043 UNII-9F4A95WI5Z (CAS 20898-44-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H33N3O4. Molecular weight: 355.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H33N3O4 |
| Molecular Weight | 355.47 g/mol |
| Appearance | Off-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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Recommended Standards
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Why CATO?
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