8-Methyl-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one CAS 91184-09-7
| CAS No. | 91184-09-7 |
| Molecular Formula | C6H6N4OS |
| Molecular Weight | 182.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methyl-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one (CAS 91184-09-7), molecular formula C6H6N4OS and molecular weight 182.20 g/mol, is a CATO reference standard with documented purity and traceability.
8-Methyl-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one (C6H6N4OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 8-Methyl-2-thioxo-2,3-dihydro-1H-purin-6(9H)-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 | C6H6N4OS |
| Molecular Weight | 182.20 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.) | 1983 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 7-Methyl-2-thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one (CAS 1196157-07-9)
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- 1-Methyl-2-thioxo-1,2-dihydropyridine-3-carbohydrazide (CAS 1092346-77-4)
- N-(6-thioxo-1,6-dihydropyridazin-3-yl)propionamide (CAS 1447965-77-6)
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Recommended Standards
- 7-Methylthieno[3,2-d]pyrimidine-2,4(3H,4aH)-dione (CAS 464216-52-2)
- 7-Mercapto-2-methyl-5H-pyrazolo[1,5-d][1,2,4]-triazin-4-one (CAS 40535-03-3)
- Clotrimazole Impurity 20 (CAS 3005-50-3)
- 7-(Methylthio)-5,6-dihydro-4H-imidazo[4,5-d]pyridazin-4-one (CAS 3438-77-5)
- 5-Isopropylthiazole-4-carboxylic acid (CAS 864437-41-2)
- Methyl 3-(2-chloro-4-fluorophenyl)-2-hydroxypropanoate (CAS 1481697-83-9)
- 3,6-Dichloro-1,2-benzothiazole (CAS 19331-18-1)
- 2-Chlorothieno[3,2-d]pyrimidine-4-carbonitrile (CAS 1364663-22-8)
- 2-Chloro-1-nitro-3-(trifluoromethyl)benzene (CAS 39974-35-1)
- 4-((3-Allyl-2-hydroxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 578006-04-9)
- 3-Oxa-6-azabicyclo[3.2.0]heptane hydrochloride (CAS 1799439-02-3)
- PARPi-FL (CAS 1380359-84-1)
- (2R,3S)-3-Isopropyl-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine (CAS 1699751-03-5)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
Why CATO?
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