2-Aminothieno[2,3-d]thiazole CAS 40507-56-0
| CAS No. | 40507-56-0 |
| Molecular Formula | C5H4N2S2 |
| Molecular Weight | 156.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Aminothieno[2,3-d]thiazole is closely related to a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Aminothieno[2,3-d]thiazole (CAS 40507-56-0) is a high-purity analytical reference standard with the molecular formula C5H4N2S2 and a molecular weight of 156.23 g/mol.
Based on its molecular formula C5H4N2S2, 2-Aminothieno[2,3-d]thiazole contains a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.23 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H4N2S2 |
| Molecular Weight | 156.23 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 | 2 |
| Sulfur Atoms | 2 |
Related Aminothieno Standards
- 4-Aminothieno[2,3-d]pyrimidine (CAS 14080-56-9)
- 4-Aminothieno[3,2-d]pyrimidine (CAS 16285-74-8)
- 2-Aminothieno[2,3-d]pyrimidin-4(1H)-one (CAS 1010068-13-9)
- 2-Aminothieno[3,2-d]pyrimidin-4(1H)-one (CAS 1203578-74-8)
- 2-Aminothieno[3,4-d]pyrimidin-4(3H)-one (CAS 1333168-07-2)
- 7-Aminothieno[3,2-d]pyrimidin-4(3H)-one (CAS 1383531-54-1)
- 4-Aminothieno[2,3-b]pyridine-5-carbonitrile (CAS 1086397-96-7)
- 5-aminothieno[3,2-b]pyridine-6-carbonitrile (CAS 60639-44-3)
Recommended Standards
- 2-Amino-3-cyclopentylpropanamide (CAS 63275-80-9)
- 2-butyl-1H-imidazole-5-carbaldehyde (CAS 68282-49-5)
- 2-Amino-2-methyl-1-(pyrrolidin-1-yl)propan-1-one (CAS 334529-11-2)
- 2-Cyclohexylacetohydrazide (CAS 27563-60-6)
- 1-(4-Fluorophenyl)-3-methylbutan-2-amine (CAS 1178757-00-0)
- 2'-Chloro-3'-methoxybiphenyl-3-carboxylic acid (CAS 1215206-24-8)
- 2-(4-Bromophenyl)-3-oxobutanenitrile (CAS 6186-21-6)
- 5-Ethyl-3-methylbenzoyl chloride (CAS 1349717-16-3)
- tert-Butyl 4-(benzo[d]thiazol-2-yloxy)piperidine-1-carboxylate (CAS 1353985-53-1)
- (E)-[2,3'-Biindolinylidene]-2',3-dione (CAS 397242-72-7)
- 1-Phenyl-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine (CAS 5399-88-2)
- 3-(3,4-Dimethylbenzenesulfonyl)-6-ethyl-1,2-dihydroquinolin-2-one (CAS 1029734-89-1)
- Methyl 5-amino-1-carbamothioyl-3-(methylthio)-1H-pyrazole-4-carboxylate (CAS 1207000-65-4)
- Semaglutide238 (CAS CATO-C4X-2226238)
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