tert-Butyl 4-hydroxy-2-methoxyphenylcarbamate CAS 1435933-04-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1435933-04-2 |
| Molecular Formula | C12H17NO4 |
| Molecular Weight | 239.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
tert-Butyl 4-hydroxy-2-methoxyphenylcarbamate (CAS 1435933-04-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H17NO4. Molecular weight: 239.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H17NO4 |
| Molecular Weight | 239.27 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-Butyl (5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazin-2-yl)carbamate (CAS 1434053-27-6)
- 1-Phenyl-2,3-dihydro-1H-pyrido[3,4-b][1,4]diazepin-4(5H)-one (CAS 1437432-44-4)
- 8-Fluoro-1,3,4,5-tetrahydrothiopyrano[4,3-b]indole 2,2-dioxide (CAS 1431081-09-2)
- 2-Bromo-5-cyclopropylpyrimidine (CAS 1353855-47-6)
- Ethyl (4-(2-((3,4-dimethylphenyl)amino)-2-oxoethyl)thiazol-2-yl)carbamate (CAS 946236-81-3)
- Phenazine-1,6-diamine (CAS 16582-03-9)
- 4'-(Benzyloxy)-3-methyl-[1,1'-biphenyl]-4-ol (CAS 1261942-62-4)
- 3-(3,4-Dimethoxyphenyl)coumarin (CAS 22367-92-6)
- Ethyl 4-(allylamino)-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (CAS 1775632-58-0)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
Why CATO?
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