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

Abiraterone Ethyl Ether

CAT. No.A510004 CAS No.2484719-14-2 Mol. F.C26H35NO Mol. W.377.50 g/mol Stock Status Instock
COA MSDS

Abiraterone Impurity 10

CAT. No.A510054 CAS No.491873-45-1 Mol. F.C38H56N2O2 Mol. W.572.86 g/mol Stock Status Instock
COA MSDS

Abiraterone Impurity 18

CAT. No.A850001 CAS No.603-35-0 Mol. F.C18H15P Mol. W.262.30 g/mol Stock Status Instock
COA MSDS

Abiraterone Impurity 5

CAT. No.A510019 CAS No.32138-69-5 Mol. F.C19H27IO Mol. W.398.32 g/mol Stock Status Instock
COA MSDS

Abiraterone Impurity 7

CAT. No.A510016 CAS No.89878-14-8 Mol. F.C9H14BN Mol. W.147.03 g/mol Stock Status Instock
COA MSDS

Abiraterone N-Oxide

CAT. No.A510034 CAS No.2378463-76-2 Mol. F.C24H31NO2 Mol. W.365.51 g/mol Stock Status Instock
COA MSDS

Abiraterone Propionate

CAT. No.A510029 CAS No.1620323-43-4 Mol. F.C27H35NO2 Mol. W.405.60 g/mol Stock Status Instock
COA MSDS

Acalabrutinib Impurity 11

CAT. No.A1500012 CAS No.2490433-97-9 Mol. F.C30H25N7O3 Mol. W.531.56 g/mol Stock Status Instock
COA MSDS

Acalabrutinib Impurity 25

CAT. No.A1500019 CAS No.1420478-90-5 Mol. F.C22H21N7O Mol. W.399.45 g/mol Stock Status Instock
COA MSDS

Acamprosate EP Impurity A

CAT. No.A420003 CAS No.3687-18-1 Mol. F.C3H9NO3S Mol. W.139.17 g/mol Stock Status Instock
COA MSDS

Acarbose EP Impurity E

CAT. No.A830005 CAS No.NA Mol. F.C31H53NO23 Mol. W.807.75 g/mol Stock Status Instock
COA MSDS

Acarbose EP Impurity F

CAT. No.A830006 CAS No.NA Mol. F.C31H53NO23 Mol. W.807.75 g/mol Stock Status Instock
COA MSDS

Acebutolol EP Impurity A

CAT. No.A770003 CAS No.28197-66-2 Mol. F.C15H19NO4 Mol. W.277.32 g/mol Stock Status Instock
COA MSDS

Acebutolol EP Impurity C

CAT. No.A770002 CAS No.40188-45-2 Mol. F.C12H15NO3 Mol. W.221.25 g/mol Stock Status Instock
COA MSDS

Acebutolol EP Impurity D

CAT. No.A770001 CAS No.57898-80-3 Mol. F.C14H22N2O3 Mol. W.266.34 g/mol Stock Status Instock
COA MSDS

Aceclofenac EP Impurity B

CAT. No.A020002 CAS No.15307-78-5 Mol. F.C15H13Cl2NO2 Mol. W.310.18 g/mol Stock Status Instock
COA MSDS

Aceclofenac EP Impurity C

CAT. No.A020003 CAS No.15307-77-4 Mol. F.C16H15Cl2NO2 Mol. W.324.20 g/mol Stock Status Instock
COA MSDS

Aceclofenac EP Impurity D

CAT. No.A020004 CAS No.139272-66-5 Mol. F.C17H15Cl2NO4 Mol. W.368.21 g/mol Stock Status Instock
COA MSDS

Aceclofenac EP Impurity E

CAT. No.A020005 CAS No.139272-67-6 Mol. F.C18H17Cl2NO4 Mol. W.382.24 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