2-Hydrazinylthiazole-4-carboxylic acid CAS 67618-36-4
| CAS No. | 67618-36-4 |
| Molecular Formula | C4H5N3O2S |
| Molecular Weight | 159.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-Hydrazinylthiazole-4-carboxylic acid (CAS 67618-36-4), a certified reference material (molecular formula C4H5N3O2S, MW 159.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H5N3O2S, 2-Hydrazinylthiazole-4-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 159.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Hydrazinylthiazole-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O2S |
| Molecular Weight | 159.17 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.) | 1976 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Hydrazinylthiazole Standards
Recommended Standards
- 2-Amino-4-methyl-5-nitrothiazole (CAS 56682-07-6)
- 3-Acetyl-5-amino-1,3,4-thiadiazol-2(3H)-one (CAS 211388-16-8)
- 2-Acetyl-5-amino-1,2,4-thiadiazol-3(2H)-one (CAS 220966-98-3)
- 3-Methyl-4-nitroisothiazol-5-amine (CAS 40184-32-5)
- (E)-Ethyl 4,4,4-trifluoro-3-methylbut-2-enoate (CAS 691-77-0)
- tert-Butyl (S)-2-(2,4-dimethoxybenzyl)piperazine-1-carboxylate (CAS 1260592-79-7)
- 1,1,1-Trifluoro-4,4-bis(phenylthio)but-3-en-2-one (CAS 54083-61-3)
- 5-Isobutyl-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 3191-85-3)
- 4-(2-(2-Hydroxyethoxy)ethyl)thiomorpholine-3-carboxylic acid (CAS 1544381-84-1)
- 2-(Chloromethyl)-1,3-dioxane (CAS 5695-72-7)
- 5,6,7,8-Tetrahydropyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione hydrochloride (CAS 1185304-70-4)
- 1-(5-(3-Hydroxy-3-methylbut-1-yn-1-yl)thiophen-2-yl)ethan-1-one (CAS 175203-51-7)
- 3-[(1-methyl-1H-imidazol-2-yl)methyl]piperidine (CAS 1316222-40-8)
- Semaglutide impurity 103 (CAS 1446013-07-5)
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