2,3-Pyridinedicarboxylic Anhydride CAS 699-98-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 699-98-9 |
| Molecular Formula | C7H3NO3 |
| Molecular Weight | 149.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,3-Pyridinedicarboxylic Anhydride (CAS 699-98-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H3NO3. Molecular weight: 149.10 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H3NO3 |
| Molecular Weight | 149.10 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Pyridinedicarboxylic Standards
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- 2,5-Pyridinedicarboxylic Acid D3 (CAS 1246820-77-8)
- 2,3-Pyridinedicarboxylic Acid-d3 (Major) (CAS 138946-42-6)
- 3,4-pyridinedicarboxylic acid 490-11-9 InChI=1/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12 pyridine-3,4-dicarboxylic acid (CAS 490-11-9)
- 2,5-Pyridinedicarboxylic Acid- (CAS 1189695-39-3)
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Recommended Standards
- rel-(3S)-3-Hydroxy-D-aspartic acid (CAS 6532-76-9)
- 2-Cyano-5-nitropyridine, 97% (CAS 100367-55-3)
- Pyridine-3,4-dicarboxylic Anhydride (CAS 4664-08-8)
- 6-Benzyl-4-chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 914612-23-0)
- 4-Bromo-2,3-dichlorotoluene (CAS 1807029-15-7)
- 1253792-66-3 3210AD 7-(Methylthio)-1-(prop-2-ynyl)-1H-pyrimido-[4,5-d][1,3]oxazine-2,4-dione C10H7N3O3S (CAS 1253792-66-3)
- N-[Bis(methylthio)methylene]glycine methyl ester (CAS 58091-08-0)
- tert-Butyl 4-[6-(4-chlorophenyl)-5-cyano-2-(pyridin-4-yl)pyrimidin-4-yl]piperazine-1-carboxylate (CAS 383148-76-3)
- Ethyl (5,7-dihydroxy-2-oxo-2H-chromen-4-yl)acetate (CAS 91903-73-0)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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