4-Ethyl-1,2,3-thiadiazole-5-carboxylic acid CAS 183302-40-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 183302-40-1 |
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethyl-1,2,3-thiadiazole-5-carboxylic acid (CAS 183302-40-1) 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.) | 2009 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
- Ethyl 1,3,4-Thiadiazole-2-carboxylate (CAS 1378819-08-9)
- 4-Ethyl-1,2,5-thiadiazole-3-carboxylic acid (CAS 1538685-60-7)
- 4-Methyl-1,2,3-thiadiazole-5-carbohydrazide (CAS 75423-15-3)
- 5-Methyl-1,2,3-thiadiazole-4-carbohydrazide (CAS 4137-63-7)
- Ethyl 1,2,3-thiadiazole-4-carboxylate (CAS 3989-36-4)
- Ethyl 1,2,3-thiadiazole-5-carboxylate (CAS 4100-14-5)
- Ethyl 1,2,4-Thiadiazole-5-carboxylate (CAS 859536-28-0)
Recommended Standards
- Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate (CAS 183298-93-3)
- 5-(methylsulfanyl)furan-3-carboxylic acid (CAS 1909328-16-0)
- 2-Amino-4-methoxythiazole-5-carbaldehyde (CAS 174562-26-6)
- Ethyl (1R,3S,4S)-3-amino-4-hydroxycyclohexane-1-carboxylate hydrochloride (CAS 1392878-99-7)
- Aloe-emodin-3-(hydroxymethyl)-O-beta-D-glucopyranoside (CAS 50488-89-6)
- (3-Boc-amino-piperidin-1-yl)-thiophen-2-yl-acetic acid (CAS 885276-49-3)
- 4-((Phenylthio)methyl)thiazol-2-amine (CAS 1082142-78-6)
- N,N-Dimethyl-3-(6-phenyl-11H-benzo[e]pyrido[3,2-b][1,4]diazepin-11-yl)propan-1-amine fumarate (CAS 83166-18-1)
- 3-Bromo-8-fluoro-7-methylimidazo[1,2-a]pyridine (CAS 1427396-93-7)
- ([13C6]Leu14)-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802078-39-2)
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 13829788188 / jacky.chen@cato-chem.com