138612-37-0 2,3-Dihydro-6-methyl-2-(methylthio)-4,7(1H,4aH)-pteridinedione 6-Methyl-2-methylthio-4,7(3H,8H)-pteridinedione NSC 650997 CAS 138612-37-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138612-37-0 |
| Molecular Formula | C8H8N4O2S |
| Molecular Weight | 224.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 138612-37-0 2,3-Dihydro-6-methyl-2-(methylthio)-4,7(1H,4aH)-pteridinedione 6-Methyl-2-methylthio-4,7(3H,8H)-pteridinedione NSC 650997 (CAS 138612-37-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H8N4O2S. Molecular weight: 224.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H8N4O2S |
| Molecular Weight | 224.24 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 2-(2-Oxo-2,3-dihydro-1h-pyrido[2,3-b][1,4]thiazin-1-yl)acetic acid (CAS 100637-46-5)
- (3,4-Dihydro-2H-pyran-2-yl)methyl 3,4-dihydro-2H-pyran-2-carboxylate (CAS 3540-36-1)
- 6-Phenyl-3,4-dihydro-2h-1-benzopyran-4-one (CAS 73316-17-3)
- 6-Benzyl-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one (CAS 109439-42-1)
- 1315478-16-0 2-Butyl-1,6-dihydro-4-methyl-6-oxo-5-pyrimidineacetic acid (CAS 1315478-16-0)
- 2,3-Dihydro-1H-indolizino[6,7-b]indol-5(6H)-one (CAS 612065-16-4)
- 2-Phenyl-7,8-dihydro-5(6H)-quinazolinone (CAS 21599-31-5)
- 4-[(4R)-4,5-Dihydro-4-phenyl-2-oxazolyl]pyridine (CAS 862972-41-6)
Recommended Standards
- 2-Methyl-6-nitro-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 1368473-55-5)
- 2,5-Dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 146628-89-9)
- Ethyl 4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylate (CAS 1353498-44-8)
- Methyl 2-(4-bromophenyl)-2-(3-cyano-4-nitrophenyl)acetate (CAS 1923065-88-6)
- sodium 2-[5-methyl-4-(propan-2-yl)-1,3-thiazol-2-yl]acetate (CAS 1423025-18-6)
- 3-(4-Methylpiperazin-1-yl)aniline (CAS 148546-99-0)
- 2,6,6-Trimethyl-1-cyclohexene-1-acetic acid (CAS 472-68-4)
- 2-n-(4-Methoxyphenyl)-1,3,5-triazine-2,4-diamine (CAS 4460-15-5)
- 4-(6-(Pyrrolidin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)butanoic acid (CAS 1429903-60-5)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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