2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one CAS 1428139-86-9
| CAS No. | 1428139-86-9 |
| Molecular Formula | C13H14N4OS |
| Molecular Weight | 274.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one.
2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one (CAS 1428139-86-9), molecular formula C13H14N4OS and molecular weight 274.34 g/mol, is a CATO reference standard with documented purity and traceability.
2,4-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one (C13H14N4OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-Diamino-7-(5-methyl-2-thienyl)-7,8-dihydroquinazolin-5(6H)-one 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 | C13H14N4OS |
| Molecular Weight | 274.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- N'-Benzylidene-4-methylbenzenesulfonohydrazide (CAS 1666-17-7)
- 4-chloro-3-methyl-5-nitro-pyridine (CAS 856834-51-0)
- 3,4-Difluoro-N-(pyridin-4-ylmethyl)benzenesulfonamide (CAS 736154-60-2)
- Ethyl 3-(3-fluorophenyl)-2-oxopropanoate (CAS 790269-70-4)
- (1R,3aR,6aS)-2-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid (CAS 1610351-01-3)
- (E)-3-(2-Nitrovinyl)-1H-indole (CAS 51870-94-1)
- 5-Bromo-3-chloro-2-nitrophenol (CAS 2090301-02-1)
- Methyl 4-bromo-5-hydroxy-2-methylbenzoate (CAS 2090819-94-4)
- 4-Chloro-2-(isobutylthio)pyridine (CAS 1346707-26-3)
- (S)-5-(((tert-Butyldimethylsilyl)oxy)methyl)-1-(5-methoxy-2-nitro-4-((triisopropylsilyl)oxy)benzoyl)pyrrolidin-3-one (CAS 1430738-05-8)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
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