2-(thiophen-2-yl)-1H-1,3-benzodiazol-5-amine dihydrochloride CAS 133726-85-9
| CAS No. | 133726-85-9 |
| Molecular Formula | C11H9N3S |
| Molecular Weight | N/A |
| 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.
2-(thiophen-2-yl)-1H-1,3-benzodiazol-5-amine dihydrochloride (CAS 133726-85-9) is a high-purity analytical reference standard with the molecular formula C11H9N3SHCl and a molecular weight of 251.73 g/mol.
Based on its molecular formula C11H9N3SHCl, 2-(thiophen-2-yl)-1H-1,3-benzodiazol-5-amine dihydrochloride contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.73 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-(thiophen-2-yl)-1H-1,3-benzodiazol-5-amine dihydrochloride 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 | C11H9N3S 2*HCl |
| Molecular Weight | 251.73 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related thiophen Standards
- 4-(Thiophen-2-ylmethyl)benzonitrile (CAS 100005-79-6)
- 1-(Thiophen-2-yl)cyclohexane-1-carboxylic acid (CAS 100058-72-8)
- 1-Methyl-4-(thiophen-2-yl)piperidin-4-ol (CAS 100131-91-7)
- 1-(Thiophen-2-yl)cyclohexan-1-amine (CAS 100133-00-4)
- Ethyl 2-((5-(3-(thiophen-2-yl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetate (CAS 1001830-00-7)
- 2-((5-(3-(Thiophen-2-yl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 1002043-11-9)
- 4-(Thiophen-2-ylmethyl)benzoic acid (CAS 1002727-90-3)
- Methyl(thiophen-2-yl)cyanocarbonimidodithioate (CAS 100477-76-7)
Recommended Standards
- Ethyl (2-chloroacetyl)-L-phenylalaninate (CAS 76385-55-2)
- (E)-Methyl 2-amino-5-(3-oxoprop-1-en-1-yl)furan-3-carboxylate (CAS 162273-64-5)
- 2-methyl-2,6-diazaspiro[3.3]heptane;dihydrochloride (CAS 1630082-57-3)
- 4-nitrobutan-2-one (CAS 58935-95-8)
- 4-Bromo-2-phenylbenzofuran (CAS 863870-92-2)
- (3R,4S)-1-Boc-4-(3-bromophenyl)pyrrolidine-3-carboxylic Acid (CAS 1969288-10-5)
- (E)-3-(3,4-Difluorophenyl)-2-methylacrylic acid (CAS 210110-50-2)
- n-(3,4-Difluorobenzyl)-2-ethoxyethan-1-amine (CAS 1154253-01-6)
- (1S,2S)-2-Aminocyclopentane-1-carboxylic acid (CAS 64191-13-5)
- C-Peptide（dog） (CAS 39016-05-2)
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