1,3,4-Thiadiazole-2,5-diamine CAS 2937-81-7
| CAS No. | 2937-81-7 |
| Molecular Formula | C2H4N4S |
| Molecular Weight | 116.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3,4-Thiadiazole-2,5-diamine (CAS 2937-81-7), a certified reference material (molecular formula C2H4N4S, MW 116.14 g/mol) for analytical method development and quality control.
Owing to a nitrile group, sulfur-containing functionality, 1,3,4-Thiadiazole-2,5-diamine is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 116.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 1,3,4-Thiadiazole-2,5-diamine 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 | C2H4N4S |
| Molecular Weight | 116.14 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.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Thiadiazole Standards
- 1,2,4-thiadiazole-3,5-diamine (CAS 34283-30-2)
- 1,2,5-Thiadiazole-3,4-diamine (CAS 55904-36-4)
- 1,2,5-Thiadiazole 1,1-dioxide (CAS 140651-41-8)
- 1,2,3-Thiadiazole-5-carbaldehyde (CAS 10200-61-0)
- 1,2,3-Thiadiazole-4-carbaldehyde (CAS 27643-15-8)
- 1,2,5-Thiadiazole-3-carbaldehyde (CAS 75238-60-7)
- 1,3,4-thiadiazole-2-carbaldehyde (CAS 144876-24-4)
- 1,3,4-Thiadiazole-2-carbonitrile (CAS 1121585-02-1)
Recommended Standards
- 1-Methyl-d3-5-mercapto-1,2,3,4-tetrazole (CAS 345909-96-8)
- 1,2,5-thiadiazol-3-ylmethanol (CAS 90507-33-8)
- 2-Amino-2-thiazolin-5-one (CAS 81760-27-2)
- 2-Aminothiazol-4(5H)-one (CAS 556-90-1)
- 3-(Aminomethyl)-3-(Boc-amino)oxetane (CAS 1802048-96-9)
- Ethyl 2-(6-bromo-2-methyl-4-oxoquinolin-1(4H)-yl)acetate (CAS 383902-93-0)
- 1-Phenyl-Cyclopropylamine (CAS 41049-53-0)
- Finerenone Impurity 43 (CAS CATO-C4X-288043)
- 6-Amino-4-methylquinolin-2(1H)-one (CAS 90914-95-7)
- (S)-2-Amino-6-(methylamino)hexanoic acid (CAS 1188-07-4)
- 5-(Bromomethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridin-2-amine (CAS 1806799-63-2)
- (1-Ethyl-1H-indazol-5-yl)boronic acid (CAS 952319-70-9)
- (5-Fluoro-2-nitrophenyl)(methyl)sulfane (CAS 78227-84-6)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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