Scapex Exports Pvt. Ltd.
830, 8th Floor, Sun Gravitas, Times of India Road,
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Certificate of AnalysisStandard product specification
5-Methyl-4-oxo-3,4-dihydro-thieno-[2,3-d]pyrimidine-6-carboxylic acid
CAS 101667-97-4 · Fine chemical grade — assay on specification
1. Product identity
| Product name | 5-Methyl-4-oxo-3,4-dihydro-thieno-[2,3-d]pyrimidine-6-carboxylic acid |
|---|---|
| C.A.S. number | 101667-97-4 |
| Grade / standard | Fine chemical grade — assay on specification |
| Description | Crystalline solid — appearance as per specification |
| Product group | Heterocyclic Building Blocks |
| Category | Pharmaceutical Intermediates |
| Country of origin | India |
| Packing | Bags, drums, carboys, IBC or ISO tank as applicable — customer-specified packing available |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
2. Analytical specification
| S. No. | Test parameter | Specification | Typical result | Method |
|---|---|---|---|---|
| 1 | Description | Crystalline solid — appearance as per specification | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Clarity & Colour of Solution | Clear; not more intensely coloured than reference | Complies | Visual (Monograph) |
| 5 | pH (1 % w/v aqueous solution) | As per monograph | 5.7 | Potentiometry |
| 6 | Water Content (Karl Fischer) | Not more than 0.5 % w/w | 0.25 | Karl Fischer titration |
| 7 | Melting Range / Point | As per monograph | Complies | Capillary method |
| 8 | Particle Size (d90) | As per specification | 177 µm | Laser diffraction |
3. Declaration
This document sets out the standard specification for 5-Methyl-4-oxo-3,4-dihydro-thieno-[2,3-d]pyrimidine-6-carboxylic acid and applies to all consignments of this product and grade supplied by Scapex Exports Pvt. Ltd. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with, and travels with, each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we confirm compliance in writing before the order is accepted.
Checked and Approved by Prem Panchal
For Scapex Exports Pvt. Ltd.
SCAPEXQUALITY ASSURED