5-Methoxy-2-(methylthio)pyrimidine-4,6-diol CAS 49668-66-8
| CAS No. | 49668-66-8 |
| Molecular Formula | C6H8N2O3S |
| Molecular Weight | 188.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Methoxy-2-(methylthio)pyrimidine-4,6-diol 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.
5-Methoxy-2-(methylthio)pyrimidine-4,6-diol (CAS 49668-66-8), molecular formula C6H8N2O3S and molecular weight 188.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Methoxy-2-(methylthio)pyrimidine-4,6-diol (C6H8N2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 188.20 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C6H8N2O3S |
| Molecular Weight | 188.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 5-Methoxy-2-(methylsulfonyl)pyrimidine (CAS 1671-09-6)
- 3-Methoxy-1,5-naphthyridine-4-carbaldehyde (CAS 1056877-13-4)
- 7-methoxy-1,5-naphthyridine-4-carbaldehyde (CAS 1823366-96-6)
- 6-Methoxy[1,5]naphthyridine-4-carbaldehyde (CAS 881657-74-5)
- 6-methoxy-2,7-naphthyridine-4-carbaldehyde (CAS 2920716-11-4)
- Ethyl 5-methoxy-2,4-dioxopentanoate (CAS 98559-11-6)
- 2-methoxy-1,4-naphthoquinone (CAS 2348-82-5)
- Ethyl 6-methoxy-3-oxohexanoate (CAS 1227787-88-3)
Recommended Standards
- 5-fluoro-7-nitro-indoline (CAS 2306278-45-3)
- 6-(2-Fluorophenyl)pyridin-2-amine (CAS 882014-37-1)
- 5-fluoro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid (CAS 920978-94-5)
- 6-(3-Fluorophenyl)pyridin-2-amine (CAS 882014-20-2)
- Cyclopropyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone (CAS 915402-05-0)
- (4-(Tert-butyl)phenyl)(4-methoxy-3,5-dimethylphenyl)methanone (CAS 951884-51-8)
- 1-(4-(3-Amino-1H-indazol-1-yl)butan-2-yl)piperidin-4-ol (CAS 89007-75-0)
- (2-Aminothiophen-3-yl)(4-methoxyphenyl)methanone (CAS 436093-36-6)
- 4-Hydroxybenzoic Acid Amyl Ester (CAS 6521-29-5)
- 3-(4-Benzylpiperazin-1-yl)propanoic acid dihydrochloride (CAS 22278-01-9)
- 3-Oxo-3-phenylpropyl acetate (CAS 7334-41-0)
- 1-CHloro-3-isopropoxy-5-nitrobenzene (CAS 1369953-63-8)
- 1-Ethyl-3-methyl-1H-imidazol-2(3H)-imine (CAS 791755-18-5)
- (Des-His1,Glu?)-Glucagon (1-29) amide (human, rat, porcine) (CAS 110084-95-2)
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 18665070610 / Nicole.chen@cato-chem.com