Certificate of Analysis and technical specification for Isatoic Anhydride — CAS 118-48-9. Applies to all consignments of this product and grade.
| Product Name | Isatoic Anhydride |
|---|---|
| C.A.S. Number | 118-48-9 |
| Product Category | Pharmaceutical Intermediates |
| Product Group | Anthranilic Derivatives |
| Grade / Standard | 98% Pharma Grade |
| Physical Form | Off-white to light yellow powder |
| Country of Origin | India |
| Packing | Standard export packing — bags, drums, carboys, IBC or ISO tank as applicable |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
| S. No. | Test Parameter | Specification | Typical Result | Method |
|---|---|---|---|---|
| 1 | Description | Off-white to light yellow powder | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Assay | Not less than 98.0 % w/w | 98.79 | Titrimetry / Instrumental |
| 5 | Clarity & Colour of Solution | Clear; not more intensely coloured than reference | Complies | Visual (Monograph) |
| 6 | pH (1 % w/v aqueous solution) | As per monograph | 6.5 | Potentiometry |
| 7 | Water Content (Karl Fischer) | Not more than 0.5 % w/w | 0.25 | Karl Fischer titration |
| 8 | Melting Range / Point | As per monograph | Complies | Capillary method |
| 9 | Particle Size (d90) | As per specification | 99 µm | Laser diffraction |
This document sets out the standard specification for Isatoic Anhydride and applies to all consignments of this grade. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we will confirm compliance before order.
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