6-Methylthieno[3,2-d]pyrimidine-2,4-diamine CAS 109879-87-0
| CAS No. | 109879-87-0 |
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 180.23 g/mol gives 6-Methylthieno[3,2-d]pyrimidine-2,4-diamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Methylthieno[3,2-d]pyrimidine-2,4-diamine (CAS 109879-87-0), molecular formula C7H8N4S and molecular weight 180.23 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methylthieno[3,2-d]pyrimidine-2,4-diamine (C7H8N4S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H8N4S |
| Molecular Weight | 180.23 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methylthieno Standards
- 3-MEthylthieno[3,2-b]pyridine-5,7(4h,6h)-dione (CAS 1356016-32-4)
- 3-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 123260-26-4)
- 7-Methylthieno[2,3-b]pyrazine-2,3(1H,4H)-dione (CAS 149587-33-7)
- 7-Methylthieno[3,2-d]pyrimidine-2,4(3H,4aH)-dione (CAS 464216-52-2)
- 3-methylthieno[3,2-b]pyridine-7-carbonitrile (CAS 1623011-38-0)
- 6-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 35265-80-6)
- 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 35265-81-7)
- N-methylthieno[3,2-d]pyrimidin-4-amine (CAS 1097040-23-7)
Recommended Standards
- 3-Carbamothioylbenzamide (CAS 106748-25-8)
- 1-(Furan-2-ylmethyl)-1,3-dihydro-2H-imidazole-2-thione (CAS 113825-02-8)
- (2-Aminobenzo[d]thiazol-6-yl)methanol (CAS 106429-07-6)
- 4-(4-Methyl-1,3-thiazol-2-yl)-1h-pyrazol-5-amine (CAS 1159942-71-8)
- (2-(Aminomethyl)-5-fluorophenyl)boronic acid hydrochloride (CAS 850568-03-5)
- 2-[(Pyridin-4-ylmethyl)amino]benzoic acid (CAS 267891-86-1)
- 1-Ethyl-4-oxo-7-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 1693-16-9)
- 5-Bromo-1H-indazole-4-carbonitrile (CAS 1459253-64-5)
- 7-Chloro-4-methyl-3-(methylamino)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000575-66-5)
- 5-Bromo-2-isopropyl-6-oxo-1,6-dihydropyridine-3-carbonitrile (CAS 1707568-51-1)
- 4-(Difluoromethyl)-2-methylpyridine (CAS 1805310-42-2)
- 4,4,5,5-Tetramethyl-2-((1R,2S)-2-(4-(trifluoromethyl)phenyl)cyclopropyl)-1,3,2-dioxaborolane (CAS 2102308-70-1)
- Methyl 4,6-dichloro-5-fluoronicotinate (CAS 1588977-21-2)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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