4-Amino-3-methylisothiazole-5-carboxylic acid CAS 4592-56-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4592-56-7 |
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-3-methylisothiazole-5-carboxylic acid (CAS 4592-56-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N2O2S. Molecular weight: 158.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 5-Amino-N-methyl-1,2,3-thiadiazole-4-carboxamide (CAS 100097-70-9)
- 5-Amino-N-methyl-1,3,4-thiadiazole-2-carboxamide, 97% (CAS 1177423-60-7)
- 1-(5-Amino-3-thioxo-2,3-dihydro-1H-1,2,4-triazol-1-yl)ethanone (CAS 118025-67-5)
- 2-Amino-4-methoxythiazole-5-carbaldehyde (CAS 174562-26-6)
- 2-Amino-4-methylthiazole-5-carboxylic acid (CAS 67899-00-7)
- 2-Amino-5-methylthiazole-4-carboxylic acid (CAS 688064-14-4)
- 4-Amino-3-(methylthio)-1,2,4-triazin-5(4H)-one (CAS 62036-62-8)
- 4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one (CAS 633297-83-3)
Recommended Standards
- 4-Amino-6-methyl-3-sulfanyl-4,5-dihydro-1,2,4-triazin-5-one (CAS 22278-81-5)
- 4-Hydroxybenzenesulfinic acid (CAS 3724-13-8)
- 4-(Methylamino)-1,2,5-thiadiazole-3-carboxamide (CAS 89281-53-8)
- N-benzyl-N-methyl-8-azabicyclo[3.2.1]Octan-3-amine dihydrochloride (CAS 1215341-55-1)
- 4-Chloroquinoline-6-carbaldehyde (CAS 676256-25-0)
- 4-(3-(1-Ethylpiperidin-2-yl)pyridin-2-yl)morpholine (CAS 1352534-23-6)
- N-(Thiophen-2-ylmethyl)benzamide (CAS 4595-96-4)
- 6-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((1-phenylethyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625376-56-9)
- Ethyl 4-(2-bromo-5-cyano-3-methyl-1H-pyrrol-1-yl)benzoate (CAS 142015-91-6)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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