7-Chloro-N-phenylthiazolo[5,4-d]pyrimidin-2-amine CAS 871266-78-3
| CAS No. | 871266-78-3 |
| Molecular Formula | C11H7ClN4S |
| Molecular Weight | 262.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-Chloro-N-phenylthiazolo[5,4-d]pyrimidin-2-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
7-Chloro-N-phenylthiazolo[5,4-d]pyrimidin-2-amine (CAS 871266-78-3), molecular formula C11H7ClN4S and molecular weight 262.72 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution, 7-Chloro-N-phenylthiazolo[5,4-d]pyrimidin-2-amine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 262.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7ClN4S |
| Molecular Weight | 262.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-pivalamidonicotinic acid (CAS 1021339-24-1)
- ethyl 6-chloro-4-hydroxy-1,5-naphthyridine-3-carboxylate (CAS 127094-58-0)
- 2-Chloro-5-[(4-methoxyphenyl)methyl]-4,6-dimethylpyrimidine (CAS 1306605-87-7)
- 3-Butyl-5-chloro-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1354936-89-2)
- 1-benzyl-5-chloro-3-(propan-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 139157-43-0)
- 3-Chloro-1-(tetrahydrofuran-2-yl)-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 1707359-96-3)
- Methyl 4-chloro-3-hydroxy-5-(prop-2-yn-1-ylthio)thiophene-2-carboxylate (CAS 1707568-91-9)
- 4-Chloro-2-(1-methoxyethyl)-6-(m-tolyl)pyrimidine (CAS 1708288-59-8)
Recommended Standards
- 6-((3-Chlorophenyl)thio)-1H-purine (CAS 646510-11-4)
- Ethyl 4-(2-chloropropanamido)piperidine-1-carboxylate (CAS 1017091-61-0)
- 6-((2-Chlorophenyl)thio)-1H-purine (CAS 646510-10-3)
- 1-(2-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082528-89-9)
- 2-(Difluoromethyl)-4-methylpyridine-6-carboxylic acid (CAS 1805312-87-1)
- 5-Bromo-2-fluoronicotinoyl chloride (CAS 1256914-07-4)
- 1-(4-Fluoro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1416348-27-0)
- (2Z)-N-(5-Iodopyridin-2-yl)-3-(pyrrolidin-1-yl)but-2-enamide (CAS 339018-04-1)
- (2-Bromo-3-cyclopropyl-5-(trifluoromethyl)phenyl)boronic acid (CAS 2225174-42-3)
- 1,4-Bis(2-bromoethyl)piperazine (CAS 143757-52-2)
- 8,8-difluoro-2-azaspiro[4.5]decane hydrochloride (CAS 1780964-59-1)
- 4-(Bicyclo[1.1.1]pentan-1-yl)phenol (CAS 1823939-03-2)
- Methyl-morpholin-2-ylmethyl-amine dihydrochloride (CAS 122894-43-3)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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