5-Amino-2,1,3-benzothiadiazole CAS 874-37-3
| CAS No. | 874-37-3 |
| Molecular Formula | C6H5N3S |
| Molecular Weight | 151.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Amino-2,1,3-benzothiadiazole (C6H5N3S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 151.19 g/mol, it falls into the medium-molecular-weight range. 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).
5-Amino-2,1,3-benzothiadiazole (CAS 874-37-3), molecular formula C6H5N3S and molecular weight 151.19 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Amino-2,1,3-benzothiadiazole 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 | C6H5N3S |
| Molecular Weight | 151.19 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 4-Amino-1,2,3-benzothiadiazole (CAS 13599-80-9)
- 4-Amino-2,1,3-benzothiadiazole (CAS 767-64-6)
- 1-Amino-7-fluoro-2,3-dihydro-1H-indene (CAS 1071449-14-3)
- 1-Amino-5-fluoro-2,3-dihydro-1H-indene (CAS 148960-33-2)
- 3-Amino-3-(hydroxymethyl)thietane 1,1-dioxide (CAS 1780939-46-9)
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- 3-Amino-4-hydroxytetrahydrothiophene 1,1-dioxide (CAS 55261-00-2)
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Recommended Standards
- 5-Acetylthiophene-3-carbonitrile (CAS 80577-93-1)
- 5-Hydroxybenzothiazole (CAS 7686-41-1)
- 5-Acetylthiophene-2-carbonitrile (CAS 88653-55-8)
- Benzo[d][1,2,3]thiadiazol-6-amine (CAS 41972-62-7)
- (S)-4-Bromo-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 1307873-37-5)
- 2,4,5-Trimethylthiazole (CAS 13623-11-5)
- 3-Fluoro-2-methoxy-4-(trifluoromethyl)pyridine (CAS 1227599-04-3)
- Ethyl 3-hydroxy-1-methyl-1H-indole-2-carboxylate (CAS 42871-90-9)
- 9,10-Bis(2-(pyridin-4-yl)vinyl)anthracene (CAS 407626-74-8)
- 1-Methoxy-2-(thiocyanatomethyl)benzene (CAS 1233518-03-0)
- 26392-49-4 (2-Ethylhexyl)ammonium chloride 1-Hexanamine, 2-ethyl-, hydrochloride (1:1) 1-Hexanamine, 2-ethyl-, hydrochloride EINECS 247-648-2 (CAS 26392-49-4)
- methyl (1R,2R)-2-(chlorosulfonyl)cyclobutane-1-carboxylate (CAS 1820581-25-6)
- 4-Chloromethyl-3-(trifluoromethyl)pyridine (CAS 1227574-95-9)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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