4-Chloro-1-ethyl-6-(methylsulfonyl)-1H-pyrazolo[3,4-d]pyrimidine CAS 1220517-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1220517-82-7 |
| Molecular Formula | C8H9ClN4O2S |
| Molecular Weight | 260.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-1-ethyl-6-(methylsulfonyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1220517-82-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H9ClN4O2S. Molecular weight: 260.70 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H9ClN4O2S |
| Molecular Weight | 260.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 7-Chloro-3-methoxy-4-methyl-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000575-90-5)
- 7-Chloro-5-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 1131604-88-0)
- 3-[(5-chloro-1,2,3-thiadiazol-4-yl)methyl]-5,5-dimethylimidazolidine-2,4-dione (CAS 1157111-08-4)
- 2-Chloro-N-(6-methyl-7-oxo-8,8a-dihydro-7H-thiazolo[3,2-b][1,2,4]triazin-3-yl)acetamide (CAS 1256627-72-1)
- 4-Chloro-1-(2-(methylsulfonyl)ethyl)-1h-pyrazolo[3,4-d]pyrimidine (CAS 1341372-72-2)
- 3-Chloro-7-methoxy-5-methyl-2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1437430-07-3)
- 1-[(2-chloro-5-nitrophenyl)sulfanyl]-N,N-dimethylformamide (CAS 1803612-26-1)
- 2-Chloro-1-(3-fluorobenzyl)-1H-benzo[d]imidazole (CAS 1353979-32-4)
Recommended Standards
- 5-(4,5-Dimethyl-1H-pyrazol-3-yl)furan-2-sulfonyl chloride (CAS 1309671-79-1)
- Mizolastine Impurity 7 (CAS CATO-C4X-20067)
- 1-[(4-Chlorophenyl)sulfonyl]-cyclopropanecarboxylic acid 4444AE 505071-92-1 C10H9ClO4S (CAS 505071-92-1)
- 2-((1-(2-Fluorophenyl)-1H-tetrazol-5-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 562866-41-5)
- Ethyl 2-mercaptobenzoate (CAS 52772-11-9)
- 3,4-Difluoro-5-nitrobenzoyl chloride (CAS 1806313-22-3)
- 5-Carbamoyl-3-chloropyridine-2-carboxylic acid (CAS 1200497-79-5)
- 2'-Methoxy-2-methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 1537282-96-4)
- n-[(pentafluorophenyl)methylidene]hydroxylamine (CAS 19292-27-4)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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