2-Amino-4-methyl-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine 6,6-dioxide CAS 1785191-85-6
| CAS No. | 1785191-85-6 |
| Molecular Formula | C8H11N3O2S |
| Molecular Weight | 213.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-4-methyl-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine 6,6-dioxide (CAS 1785191-85-6) is a high-purity analytical reference standard with the molecular formula C8H11N3O2S and a molecular weight of 213.26 g/mol.
2-Amino-4-methyl-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine 6,6-dioxide (C8H11N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
CATO manufactures 2-Amino-4-methyl-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine 6,6-dioxide 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 | C8H11N3O2S |
| Molecular Weight | 213.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-(2-Amino-4-methyl-6-thioxo-1,6-dihydropyrimidin-5-yl)propanoic acid (CAS 1079-42-1)
- Methyl 2-((4-amino-6-methylpyrimidin-2-yl)thio)acetate (CAS 1209087-12-6)
- 6-Amino-N-cyclopropylpyridine-3-sulfonamide (CAS 1248927-92-5)
- 6-Amino-5-propyl-2-thioxo-2,3-dihydropyrimidine-4-carboxylic acid (CAS 13164-79-9)
- 2-Amino-N-methyl-N-(2-oxo-2-(thiazol-2-yl)ethyl)acetamide (CAS 1353979-53-9)
- (S)-2-Amino-N-(2-oxo-2-(thiazol-2-yl)ethyl)propanamide (CAS 1353995-79-5)
- Ethyl 2-amino-4-(methylthio)pyrimidine-5-carboxylate (CAS 15400-51-8)
- Ethyl 5-amino-2-(methylthio)pyrimidine-4-carboxylate (CAS 1823354-92-2)
Recommended Standards
- 4-Cyclopropyl-5-(methylsulfonyl)pyrimidin-2-amine (CAS 1708445-11-7)
- 4-(Pyrimidin-2-yl)thiomorpholine 1,1-dioxide (CAS 1823226-96-5)
- 1-(Tetrahydro-2H-thiopyran-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1707734-97-1)
- 2-Thioxo-1,2-dihydro-[4,4'-bipyridine]-3-carbonitrile (CAS 1707667-94-4)
- 22015-35-6 Europium diiodide Europium iodide (EuI2) EINECS 244-721-0 Europium iodide (CAS 22015-35-6)
- 4,6-Dichloro-2-(methylthio)pyrimidine-5-carbonitrile (CAS 33097-13-1)
- 3-(dimethylamino)pyridine-2-carboxylic acid dihydrochloride (CAS 1909305-67-4)
- Tert-butyl 5,5-dimethyl-7-oxo-2-azaspiro[3.3]Heptane-2-carboxylate (CAS 2092825-28-8)
- n-[4-(aminomethyl)phenyl]-2,2,2-trifluoroacetamide (CAS 1235441-35-6)
- N-(4-fluorophenethyl)-2-(o-tolyl)acetamide (CAS 898153-67-8)
- 2-Bromo-3-fluoro-5-nitroaniline (CAS 1309832-49-2)
- Ticagrelor Impurity 173 (CAS 1212376-05-0)
- 6-Methoxynicotinamide (CAS 7150-23-4)
- Peptide Impurity (CAS CATO-CPTD788810)
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