5-(5-chlorothiophen-2-yl)-1,3,4-thiadiazol-2-amine CAS 70057-76-0
| CAS No. | 70057-76-0 |
| Molecular Formula | C6H4ClN3S2 |
| Molecular Weight | 217.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-chlorothiophen-2-yl)-1,3,4-thiadiazol-2-amine (CAS 70057-76-0) is a high-purity analytical reference standard with the molecular formula C6H4ClN3S2 and a molecular weight of 217.70 g/mol.
Based on its molecular formula C6H4ClN3S2, 5-(5-chlorothiophen-2-yl)-1,3,4-thiadiazol-2-amine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 5-(5-chlorothiophen-2-yl)-1,3,4-thiadiazol-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 | C6H4ClN3S2 |
| Molecular Weight | 217.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related chlorothiophen Standards
- 3-(5-Chlorothiophen-2-yl)-1,2,4-thiadiazol-5-amine (CAS 1153983-60-8)
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- 1-((5-Chlorothiophen-2-yl)methyl)pyrrolidin-3-ol (CAS 1342202-62-3)
- n-((5-Chlorothiophen-2-yl)methyl)-3-methylbutan-1-amine (CAS 1021100-90-2)
- Ethyl 2-(5-chlorothiophen-2-yl)-2-oxoacetate (CAS 34036-28-7)
- 2-((5-Chlorothiophen-2-yl)methyl)cyclopentan-1-ol (CAS 1305710-65-9)
- 1-(5-Butyl-4-chlorothiophen-2-yl)ethan-1-one (CAS 1399661-95-0)
- 1-[(5-chlorothiophen-2-yl)methyl]piperazine (CAS 55513-18-3)
Recommended Standards
- 4-chloro-5,5,7-trimethyl-5H,6H,7H-pyrrolo[2,3-d]pyrimidin-6-one (CAS 2007917-52-2)
- 1-Benzotriazol-1-yl-3-chloropropan-2-one 305851-04-1 9656AD C9H8ClN3O (CAS 305851-04-1)
- 12-chloro-3-methyl-3,4,7,9,11-pentazatricyclo[6.4.0.0²⁶]dodeca-1(12),2(6),4,8,10-pentaene (CAS 2459389-00-3)
- 3-(4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)propanethioamide (CAS 1006348-62-4)
- 3-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-4H-chromen-4-one (CAS 53084-11-0)
- (E)-2-(2-(5-bromothiophen-2-yl)vinyl)benzo[d]thiazole (CAS 338401-69-7)
- 4-Hydroxy-3-methylphenylacetonitrile (CAS 73653-24-4)
- 2-(4-Acetylphenyl)acetic acid (CAS 7398-52-9)
- 2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 159276-63-8)
- Lesinurad Impurity 10 (CAS 2250243-55-9)
- 2-(4,5-Dimethoxy-2-(morpholinosulfonyl)phenyl)acetic acid (CAS 63212-44-2)
- N-(3-(1H-Imidazol-1-yl)propyl)methanesulfonamidehydrochloride (CAS 1198416-83-9)
- 286367-74-6 Butyric acid-1,2-13C2 sodium salt Sodium butyrate-1,2-13C2 (CAS 286367-74-6)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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