4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-(tert-butyl)benzoate CAS 877635-40-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 877635-40-0 |
| Molecular Formula | C21H20N2O4S |
| Molecular Weight | 396.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-(tert-butyl)benzoate (CAS 877635-40-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H20N2O4S. Molecular weight: 396.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H20N2O4S |
| Molecular Weight | 396.46 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Oxo Standards
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- Ethyl 4-(2-(2-(pyrimidin-2-ylamino)thiazol-4-yl)acetamido)piperidine-1-carboxylate (CAS 1226429-72-6)
- 4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-nitrobenzoate (CAS 877636-42-5)
- (E)-1-(4-(pyrimidin-2-yloxy)phenyl)-3-((3-(trifluoromethyl)phenyl)amino)prop-2-en-1-one (CAS 1164457-65-1)
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- (4-(Pyrimidin-2-yl)piperazin-1-yl)(2-(p-tolyl)quinolin-4-yl)methanone (CAS 546100-66-7)
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Recommended Standards
- 4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide (CAS 332156-41-9)
- 6-((4-Methoxyphenyl)amino)-8-(phenylsulfonyl)-2,3-dihydroindolizin-5(1H)-one (CAS 612065-25-5)
- 4-Amino-5-benzoyl-2-{[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl}thiophene-3-carbonitrile (CAS 478081-63-9)
- Glycine, N-(carboxymethyl)-N-[(ethenylphenyl)methyl]-, sodium salt, polymer with diethenylbenzene and 1,1'-[2-ethyl-2-[[(2-methyl-1-oxo-2-propen-1-yl)oxy]methyl]-1,3-propanediyl] bis(2-methyl-2-propenoate) (CAS 70893-00-4)
- Ethyl (R)-3-amino-3-(3-fluoro-4-methoxyphenyl)propanoate (CAS 1917174-31-2)
- N-(4-chloro-2-hydroxyphenyl)acetamide (CAS 16323-09-4)
- 1-(2-Bromophenyl)-5-(dimethoxymethyl)-1H-pyrazole (CAS 1269294-18-9)
- 2-Amino-5-(pyrrolidin-1-yl)pentanamide (CAS 1485292-38-3)
- Ethyl Quinoxaline-6-carboxylate (CAS 6924-72-7)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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