1,2,3-Thiadiazole, 1H-isoindole-1,3(2H)-dione deriv. CAS 78301-71-0
| CAS No. | 78301-71-0 |
| Molecular Formula | C16H9N3O2S |
| Molecular Weight | 307.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3-Thiadiazole, 1H-isoindole-1,3(2H)-dione deriv. (C16H9N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1,2,3-Thiadiazole, 1H-isoindole-1,3(2H)-dione deriv. (CAS 78301-71-0), molecular formula C16H9N3O2S and molecular weight 307.33 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.
CATO manufactures 1,2,3-Thiadiazole, 1H-isoindole-1,3(2H)-dione deriv. 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 | C16H9N3O2S |
| Molecular Weight | 307.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thiadiazole Standards
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- 1-(4-Phenyl-1,2,3-thiadiazole-5-carbonyl)piperidine (CAS 477863-68-6)
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Recommended Standards
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- (4-(Methylamino)phenyl)diphenylphosphine oxide (CAS 61564-25-8)
- 2-((4-Amino-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 869068-29-1)
- 2,3-Difluoro-4-(trifluoromethyl)benzamide (CAS 261944-69-8)
- 2-Amino-5-Isopropoxyphenol (CAS 1243280-86-5)
- (3-(Benzyloxy)-4-methoxyphenyl)boronic acid (CAS 243990-54-7)
- Heptamethylcyclotetrasiloxan-2-ol (CAS 5290-02-8)
- 4-(2H-Indazol-2-yl)thiazole (CAS 59158-92-8)
- N-Cyclopentyl L-isoleucinamide (CAS 192821-37-7)
- N-(2-amino-4-ethoxyphenyl)acetamide (CAS 67169-91-9)
- 5-Methoxy-1-methyl-1H-indazol-3-amine (CAS 1239662-96-4)
- 5-Bromo-2-(isopropylthio)pyrimidine (CAS 433684-22-1)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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