5-Amino-3-methylisothiazole-4-carbonitrile CAS 41808-35-9
| CAS No. | 41808-35-9 |
| Molecular Formula | C5H5N3S |
| Molecular Weight | 139.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-3-methylisothiazole-4-carbonitrile (C5H5N3S) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
5-Amino-3-methylisothiazole-4-carbonitrile (CAS 41808-35-9), molecular formula C5H5N3S and molecular weight 139.18 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Amino-3-methylisothiazole-4-carbonitrile 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 | C5H5N3S |
| Molecular Weight | 139.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
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- 5-Amino-2-methylthiazole-4-carbonitrile (CAS 31785-16-7)
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Recommended Standards
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- 2-Isothiocyanato-1-methyl-1H-imidazole (CAS 947312-04-1)
- Pyrimidine-2-carbothioamide (CAS 4537-73-9)
- 3-Ethoxypropane-1-sulfonyl chloride (CAS 1343647-71-1)
- 2-Amino-2-(2,4-dichlorophenyl)acetamide (CAS 189138-38-3)
- N-(4-Aminophenyl)-2-(pyrrolidin-1-yl)acetamide (CAS 875923-90-3)
- 2-(7,7-Dimethylbicyclo[2.2.1]heptan-1-yl)ethan-1-amine hydrochloride (CAS 63854-63-7)
- 1-Cycloheptyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1351004-08-4)
- Methyl 2-(4-(2,4-dichlorophenoxy)butanamido)-4-methyl-5-((3-(trifluoromethyl)phenyl)carbamoyl)thiophene-3-carboxylate (CAS 335409-42-2)
- 4-(Aminomethyl)-2-hydroxybenzenesulfonamide (CAS 1243414-38-1)
- 3-(3,4-Dichlorobenzyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-7-carboxylic acid (CAS 1089342-78-8)
- 2-(4-Chlorophenoxy)-3-methylbutanoic acid (CAS 76075-79-1)
- Neuropeptide FF (5-8) (CAS 152050-35-6)
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