Search products

Search by product name, CAT, CAS, molecular formula or chemical name.

Trusted Partner for Reference Standards and Beyond
Products About us Facility Quality system OUR DIVISIONS SimSon Chemtech Speciality & fine chemicals SimSon Chemie Research chemicals supply SimSon Lifescience Services CRO, CDMO & analytical testing Contact us Careers

Impurity standards

Leading impurity characterization with expertly developed standards that strengthen quality, compliance, and analytical confidence.

Impurity Standards

3-Methylbenzenemethanol

CAT. No.M370003 CAS No.587-03-1 Mol. F.C8H10O Mol. W.122.17 g/mol Stock Status Instock
COA MSDS

3-Methylpyridine

CAT. No.N230012 CAS No.108-99-6 Mol. F.C6H7N Mol. W.93.13 g/mol Stock Status Instock
COA MSDS

3-O-Ethyl-L-Ascorbic Acid

CAT. No.A550026 CAS No.86404-04-8 Mol. F.C8H12O6 Mol. W.204.18 g/mol Stock Status Instock
COA MSDS

3-Oxo Atorvastatin

CAT. No.A120003 CAS No.1391194-36-7 Mol. F.C33H33FN2O5 Mol. W.556.62 g/mol Stock Status Instock
COA MSDS

3-Quinuclidinyl Benzilate

CAT. No.O090014 CAS No.6581-06-2 Mol. F.C21H23NO3 Mol. W.337.41 g/mol Stock Status Instock
COA MSDS

3-Sulfino-Dl-valine

CAT. No.S210002 CAS No.98462-04-5 Mol. F.C5H11NO4S Mol. W.181.21 g/mol Stock Status Instock
COA MSDS

3-Trifluoro Isomer

CAT. No.L500032 CAS No.62004-05-1 Mol. F.C12H9F3N2O2 Mol. W.270.21 g/mol Stock Status Instock
COA MSDS

32-Carboxycyanocobalamin

CAT. No.C330006 CAS No.38218-77-8 Mol. F.C63H87CoN13O15P Mol. W.1356.35 g/mol Stock Status Instock
COA MSDS

33-Ethyl Rapamycin

CAT. No.S150018 CAS No.NA Mol. F.C52H81NO13 Mol. W.928.21 g/mol Stock Status Instock
COA MSDS

3N-Benzyl Biotin

CAT. No.B640003 CAS No.57229-92-2 Mol. F.C17H22N2O3S Mol. W.334.43 g/mol Stock Status Instock
COA MSDS

3`,5`-di-O-Benzyl Entecavir

CAT. No.E170017 CAS No.142217-81-0 Mol. F.C26H27N5O3 Mol. W.457.52 g/mol Stock Status Instock
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
SimSon — Science Standards Solutions
D-U-N-S Registered — Dun & Bradstreet D-U-N-S® REGISTERED Verified by Dun & Bradstreet
OFFICES & LABORATORIES
REGISTERED OFFICE · MUMBAI B-307, Sarita Building, Prabhat Industrial Estate, Near Dahisar Toll Naka, Dahisar (East), Mumbai- 400068, Maharashtra, India
CORPORATE OFFICE · MUMBAI Unit 1001-1006, The Platina, Tanvi Complex, S. V. Road, Dahisar East, Mumbai 400068, India
LABORATORY · HYDERABAD Shed 6A, TYPE III, TSIIC, Prashanthi Nagar, Kukatpally, Hyderabad 500072, India
REGIONAL OFFICE · AHMEDABAD Survey Number 375 Paiki 1, Plot Number 11, Shivam 5, Near Sumip Composite, Panchratna Estate, Village Changodar, Taluka Sanand, District Ahmedabad, Gujarat-382213
TALK TO THE RIGHT DESK
© 2026 SimSon Pharma Limited · All rights reserved