2-((4-Chlorobenzyl)thio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol CAS 672950-79-7
| CAS No. | 672950-79-7 |
| Molecular Formula | C18H14ClN3OS2 |
| Molecular Weight | 387.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-((4-Chlorobenzyl)thio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-((4-Chlorobenzyl)thio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol (CAS 672950-79-7), molecular formula C18H14ClN3OS2 and molecular weight 387.91 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14ClN3OS2, 2-((4-Chlorobenzyl)thio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 387.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-((4-Chlorobenzyl)thio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H14ClN3OS2 |
| Molecular Weight | 387.91 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Chlorobenzyl Standards
- 1-(4-(((2-Chlorobenzyl)sulfonyl)methyl)-4-hydroxypiperidin-1-yl)-2,2-dimethylpropan-1-one (CAS 865659-33-2)
- 1-(4-(((2-Chlorobenzyl)sulfonyl)methyl)-4-hydroxypiperidin-1-yl)-3-methylbutan-1-one (CAS 865659-34-3)
- 1-(4-(((4-Chlorobenzyl)sulfonyl)methyl)-4-hydroxypiperidin-1-yl)-3-methylbutan-1-one (CAS 861211-14-5)
- N-(2-((4-chlorobenzyl)thio)-2-methylpropyl)-4-fluorobenzenesulfonamide (CAS 343373-00-2)
- Ethyl 2-((3-chlorobenzyl)oxy)-5-(2-methylthiazol-4-yl)benzoate (CAS 1416345-14-6)
- 1-(4-Chlorobenzyl)-4,6-dimethyl-3-(phenylsulfonyl)pyridin-2(1H)-one (CAS 306977-16-2)
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Recommended Standards
- Cetirizine USP Related Compound C (CAS 83881-37-2)
- Loratadine-d5 (CAS 1020719-57-6)
- Levocetirizine Impurity 68 (CAS CATO-C4X-108368)
- Loratadine-d5 (ethyl-d5) (CAS 1398065-63-8)
- N-isopropyl-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide (CAS 477859-35-1)
- 4-(2-Aminoethyl)-3-(3-chlorophenyl)-5-oxo-2,5-dihydro-1H-pyrazole-1-carbothioamide sulfate (CAS 1177316-94-7)
- 4-(4-Chlorobenzoyl)benzoic acid (CAS 6269-37-0)
- 5-(Chloromethyl)-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 925675-85-0)
- 4-Bromo-2-methyl-5-phenyloxazole (CAS 7007-07-0)
- Sodium (R)-2,3-bis(heptadecanoyloxy)propyl hydrogen phosphate (CAS 154804-54-3)
- 2'-Deoxyguanosine 5'-Phosphate Disodium Salt (CAS 33430-61-4)
- (2E)-N-(Butan-2-yl)-3-{4-[(2,4-dichlorophenyl)methoxy]phenyl}prop-2-enamide (CAS 477888-87-2)
- 3-Hydroxy-5-(4-hydroxyphenyl)-4-(4-isopropoxy-3-methylbenzoyl)-1-(3-morpholinopropyl)-1H-pyrrol-2(5H)-one (CAS 510712-20-6)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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