6-(Ethylthio)pyrazine-2-carboxylic acid CAS 66533-64-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66533-64-0 |
| Molecular Formula | C7H8N2O2S |
| Molecular Weight | 184.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-(Ethylthio)pyrazine-2-carboxylic acid (CAS 66533-64-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8N2O2S. Molecular weight: 184.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O2S |
| Molecular Weight | 184.22 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethylthio Standards
- 2-(Ethylthio)-5-nitropyridine (CAS 107756-05-8)
- 2-(Ethylthio)pyrimidine-5-carboxylic acid (CAS 37131-88-7)
- 3-Ethyl-2-(ethylthio)pyrimidin-4(3H)-one (CAS 65592-66-7)
- (Ethylthio-trifluoroborate)-methane dimethyliminium (CAS 1622923-36-7)
- 3-(Ethylthio)picolinic acid (CAS 14440-97-2)
- 2-(Ethylthio)nicotinic acid (CAS 27868-76-4)
- 2-(Ethylthio)pyrimidine-4,5,6-triamine (CAS 73000-30-3)
- (2-(Ethylthio)-5-fluorophenyl)methanamine (CAS 1192369-50-8)
Recommended Standards
- 5-Methyl-2-(methylthio)pyrimidine-4-carboxylic acid (CAS 669087-35-8)
- 6-Amino-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide (CAS 841476-52-6)
- 5-Amino-2,3-dihydrobenzo[d]isothiazole 1,1-dioxide (CAS 916438-50-1)
- [(4-tert-Butoxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid (CAS 1353974-01-2)
- (1S,2S,3R)-2-((tert-butoxycarbonyl)amino)-3-hydroxycyclobutane-1-carboxylic acid (CAS 2227197-37-5)
- Methyltetrazine-PEG8-PFP ester (CAS 2353409-49-9)
- 2,3-Dichloro-5-fluoromandelic acid (CAS 1803787-54-3)
- 1-(1h-Pyrrol-2-yl)propan-2-one (CAS 125281-94-9)
- 2-Acetyl-1H-imidazole-5-carboxylic acid (CAS 1314916-26-1)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
Why CATO?
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