6-Mercapto-5-nitropyrimidine-4(1H)-thione CAS 73768-71-5
| CAS No. | 73768-71-5 |
| Molecular Formula | C4H3N3O2S2 |
| Molecular Weight | 189.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Mercapto-5-nitropyrimidine-4(1H)-thione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
6-Mercapto-5-nitropyrimidine-4(1H)-thione (CAS 73768-71-5) is a high-purity analytical reference standard with the molecular formula C4H3N3O2S2 and a molecular weight of 189.22 g/mol.
Based on its molecular formula C4H3N3O2S2, 6-Mercapto-5-nitropyrimidine-4(1H)-thione contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C4H3N3O2S2 |
| Molecular Weight | 189.22 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 |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Mercapto Standards
- 5-Mercapto-4-(3-methoxypropyl)-4h-1,2,4-triazol-3-ol (CAS 793678-87-2)
- 2-(2-mercapto-4-methyl-1,3-thiazol-5-yl)acetamide (CAS 84757-01-7)
- 6-Mercapto-2-(methylthio)pyrimidine-4(3H)-thione (CAS 6299-30-5)
- 5-Mercapto-4-pentyl-4H-1,2,4-triazol-3-ol (CAS 117987-05-0)
- Methyl 2-(3-mercapto-5-methyl-4h-1,2,4-triazol-4-yl)acetate (CAS 142096-21-7)
- Methyl 3-(3-mercapto-1H-1,2,4-triazol-5-yl)propanoate (CAS 1573547-21-3)
- H-2-Mercapto-His-OH (CAS 2002-22-4)
- Ethyl 2-mercapto-4-methyl-1H-imidazole-5-carboxylate (CAS 57332-78-2)
Recommended Standards
- 5,7-dimethylpyrido[2,3-d]pyrimidine-2,4-diamine (CAS 20739-23-5)
- 9-Methyl-5H,6H,7H,8H-[1,2,3,4]tetrazolo[5,1-b]quinazoline (CAS 860650-77-7)
- 4-Amino-2-(pyrrolidin-1-yl)pyrimidine-5-carbonitrile (CAS 55441-53-7)
- Hexadecan-7-ol (CAS 591-72-0)
- 5,6-dimethyl-3-(2-methylpropyl)-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 731827-20-6)
- 3-[2-[4-[(4-Fluoro-2-hydroxyphenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; (CAS 1391062-47-7)
- 1,1-Diethyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 874290-94-5)
- 3-(Iodomethyl)piperidine (CAS 1260856-53-8)
- 2-(5-Amino-4-methyl-2-oxopyridin-1(2h)-yl)acetamide (CAS 1522337-00-3)
- 3-Fluoro-5-formyl-4-hydroxybenzoic acid (CAS 2166833-12-9)
- 1,1-Diphenylpropan-2-amine oxalate (CAS 1421769-52-9)
- 3-Iodo-2,6-bis(trifluoromethyl)aniline (CAS 1805524-76-8)
- 3-Chloro-4-fluorophenylacetonitrile (CAS 658-98-0)
- Smac-N7 Peptide (CAS 401913-57-3)
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