5-[(Methylthio)methyl]-1,3,4-oxadiazol-2-amine CAS 502133-69-9
| CAS No. | 502133-69-9 |
| Molecular Formula | C4H7N3OS |
| Molecular Weight | 145.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[(Methylthio)methyl]-1,3,4-oxadiazol-2-amine (CAS 502133-69-9), molecular formula C4H7N3OS and molecular weight 145.18 g/mol, is a CATO reference standard with documented purity and traceability.
5-[(Methylthio)methyl]-1,3,4-oxadiazol-2-amine (C4H7N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-[(Methylthio)methyl]-1,3,4-oxadiazol-2-amine 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 | C4H7N3OS |
| Molecular Weight | 145.18 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5,6-Dihydro-4H-1,3-thiazine-2-carboxylic acid (CAS 97190-70-0)
- 5-Amino-3-ethyl-1,3,4-thiadiazol-2(3H)-one (CAS 211388-15-7)
- 5,5-Dimethylthiazolidine-2,4-dione (CAS 3324-15-0)
- 5-Ethoxy-1,2,4-thiadiazol-3-amine (CAS 89124-90-3)
- 5-[(2-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid (CAS 62547-09-5)
- (R)-tert-Butyl (1-(4-bromo-2-methylphenyl)ethyl)carbamate (CAS 2387559-64-8)
- Siramesine (fumarate) (CAS 163630-79-3)
- 5,5-Dimethyloxepan-2-one (CAS 60187-76-0)
- N-(7-fluoro-5-methyl-1-oxo-2,3-dihydro-1H-inden-4-yl)-3,3-dimethylbutanamide (CAS CATO-CIM-105408)
- 2-(4-(Difluoromethyl)-6-iodo-5-methylpyridin-2-yl)acetic acid (CAS 1806947-71-6)
- Tert-butyl ((2R,3R)-4'-fluoro-2-(hydroxymethyl)-2,3,4,5-tetrahydro-[1,1'-biphenyl]-3-yl)carbamate (CAS 2148929-24-0)
- 4-Bromo-2-(difluoromethyl)-1-iodobenzene (CAS 1261819-63-9)
- 1-cyclobutyl-1,4-diazepane dihydrochloride (CAS 851048-49-2)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
Why CATO?
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