2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine CAS 77373-45-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77373-45-6 |
| Molecular Formula | C11H13N3S |
| Molecular Weight | 219.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 77373-45-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H13N3S. Molecular weight: 219.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H13N3S |
| Molecular Weight | 219.31 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)isoxazol-5-amine (CAS 1020955-92-3)
- 5-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)isoxazol-3-amine (CAS 1470521-72-2)
- 2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 19819-15-9)
- 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 95211-71-5)
- 4-Ethyl-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylic acid (CAS 1710845-70-7)
- 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d][1,2,3]triazin-4-ol (CAS 496038-39-2)
- 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-sulfonamide (CAS 142294-64-2)
- 5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 27285-09-2)
Recommended Standards
- 2-Hydrazinyl-6,7,8,9-tetrahydronaphtho[1,2-d]thiazole (CAS 872696-00-9)
- 3-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)aniline (CAS 60348-13-2)
- 2-Hydrazinyl-5-methyl-4-(p-tolyl)thiazole (CAS 886494-57-1)
- 2,3,4,9-tetrahydro-1H-carbazol-6-amine hydrochloride (CAS 1079-26-1)
- N-(4-(2-Oxoimidazolidin-1-yl)phenyl)acetamide (CAS 89518-36-5)
- (4R)-2-(3-Chloro-4-hydroxyphenyl)thiazolidine-4-carboxylic acid (CAS 1014082-20-2)
- Norfloxacin Impurity 21 (CAS 103240-27-3)
- 1,3,5,7-Tetrahydrobenzo[1,2-c:4,5-c']difuran (CAS 120512-90-5)
- 1-Bromo-4-cyclopropyl-2-nitrobenzene (CAS 2387348-39-0)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com