2-Methoxybenzoyl isocyanate CAS 3998-27-4
| CAS No. | 3998-27-4 |
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 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 2-Methoxybenzoyl isocyanate.
2-Methoxybenzoyl isocyanate (CAS 3998-27-4), molecular formula C9H7NO3 and molecular weight 177.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Methoxybenzoyl isocyanate (C9H7NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 177.16 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Methoxybenzoyl isocyanate 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 | C9H7NO3 |
| Molecular Weight | 177.16 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1958 |
| Nitrogen Atoms | 1 |
Related Methoxybenzoyl Standards
- 3-Methoxybenzoyl chloride (CAS 1711-05-3)
- 4-Methoxybenzoyl cyanide (CAS 14271-83-1)
- 2-Methoxybenzoyl cyanide (CAS 72371-46-1)
- 3-Methoxybenzoyl cyanide (CAS 23194-66-3)
- 4-Methoxybenzoyl fluoride (CAS 701-53-1)
- 2-(4-Methoxybenzoyl)furan (CAS 15970-74-8)
- 2-(2-Methoxybenzoyl)oxazole (CAS 898759-44-9)
- 2-(4-Methoxybenzoyl)oxazole (CAS 898759-50-7)
Recommended Standards
- 2-Methoxy-5-nitrophenylacetylene (CAS 77123-62-7)
- 2-Methoxypyrazolo[1,5-a]pyrimidine-6-carbaldehyde (CAS 2090613-55-9)
- 2-Hydroxyisoquinoline-1,3(2H,4H)-dione (CAS 6890-08-0)
- 2-Methoxypyrido[2,3-d]pyrimidin-7(8H)-one (CAS 959616-58-1)
- 1-Azaspiro[4.4]Nonan-4-amine (CAS 2007221-63-6)
- 2-(1-Acetylindolin-7-yl)-1-phenylethanone (CAS 2665-70-5)
- tetrahydropyran-3-ylhydrazine dihydrochloride (CAS 1448338-79-1)
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- 6-Chloro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (CAS 2059954-91-3)
- 2-(4-Aminobutyl)-3H-imidazo[4,5-b]pyridin-5-amine (CAS 1500373-31-8)
- Fluorescent Brightener 367 (CAS 5089-22-5)
- 3-Methoxy-N-(4H-1,2,4-triazol-4-yl)benzamide (CAS 331434-10-7)
- 2-Chloro-N-(2-((3-cyano-6-methylquinolin-2-yl)amino)ethyl)benzamide (CAS 606105-48-0)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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