5-Methylbenzo[c][1,2,5]selenadiazole CAS 1123-91-7
| CAS No. | 1123-91-7 |
| Molecular Formula | C7H6N2Se |
| Molecular Weight | 197.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Methylbenzo[c][1,2,5]selenadiazole.
5-Methylbenzo[c][1,2,5]selenadiazole (CAS 1123-91-7), molecular formula C7H6N2Se and molecular weight 197.10 g/mol, is a CATO reference standard with documented purity and traceability.
5-Methylbenzo[c][1,2,5]selenadiazole (C7H6N2Se) contains a nitrile group, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Methylbenzo[c][1,2,5]selenadiazole 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 | C7H6N2Se |
| Molecular Weight | 197.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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 | 2 |
Related Methylbenzo Standards
- 2-Methylbenzo[b]thiophen-3(2H)-one 1,1-Dioxide (CAS 16957-79-2)
- 4-Methylbenzo[4,5]imidazo[1,2-a]pyrimidin-2-amine (CAS 111306-36-6)
- 2-Methylbenzo[d][1,3]dioxole-5-carbonyl chloride (CAS 59637-51-3)
- 2-Methylbenzo[b]selenophene (CAS 20984-22-9)
- 1-Methylbenzo[4,5]imidazo[1,2-c]pyrimidin-3(4H)-one (CAS 160745-79-9)
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- 1-Methylbenzo[4,5]imidazo[1,2-d][1,2,4]triazin-4(3H)-one (CAS 20029-12-3)
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Recommended Standards
- 4-Selenocyanatoaniline (CAS 10336-11-5)
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- Isosorbide Dinitrate Impurity 12 (CAS 1217604-00-6)
- (2-bromo-1,3-thiazol-5-yl)methanamine (CAS 131748-92-0)
- 2-chloro-4-methoxy-1H-1,3-benzodiazole (CAS 15965-58-9)
- Ethyl 2-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 1506416-57-4)
- Leiocarposide (CAS 71953-77-0)
- 1-(2-(1,1-Dioxidothietan-3-yl)ethyl)urea (CAS 1863078-23-2)
- Methylhydrazine Dihydrochloride (CAS 55330-60-4)
- 2-Hydroxy-4-phenyl-pyrimidine-5-carboxylic acid ethyl ester (CAS 188781-06-8)
- 3-Ethoxy-N-methylcyclobutan-1-amine (CAS 1537194-54-9)
- Samarium(III) hydroxide hydrate (CAS 20403-06-9)
- Linezolid Impurity 110 (CAS 1802413-79-1)
- Myosin Kinase Inhibiting Peptide (CAS 119386-39-9)
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