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

Doxycycline Related Compounds & Impurities

Doxycycline is a broad-spectrum tetracycline antibiotic with anti-inflammatory properties, used for bacterial infections, malaria prophylaxis, acne and periodontal disease.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Doxycycline reference standards, pharmacopeial and non-pharmacopeial Doxycycline impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Doxycycline-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Impurity Standards

2-Methyl-1-propanol

CAT. No.D250005 CAS No.78-83-1 Mol. F.C4H10O Mol. W.74.12 g/mol Stock Status Instock
COA MSDS

Doxycycline EP Impurity A

CAT. No.D250001 CAS No.3219-99-6 Mol. F.C22H24N2O8 Mol. W.444.43 g/mol Stock Status Instock
COA MSDS

Doxycycline EP Impurity C

CAT. No.D250004 CAS No.6543-77-7 Mol. F.C22H24N2O8 Mol. W.444.43 g/mol Stock Status Limited Stock
COA MSDS

Doxycycline EP Impurity D

CAT. No.D250010 CAS No.97583-08-9 Mol. F.C22H24N2O8 Mol. W.444.43 g/mol Stock Status Limited Stock
COA MSDS

Doxycycline EP Impurity E

CAT. No.D250012 CAS No.79-57-2 Mol. F.C22H24N2O9 Mol. W.460.43 g/mol Stock Status Custom Synthesis
COA MSDS

Doxycycline EP Impurity F

CAT. No.D250009 CAS No.122861-53-4 Mol. F.C23H25NO8 Mol. W.443.45 g/mol Stock Status Under Synthesis
COA MSDS

Meta Hydroxy Doxycycline

CAT. No.D250018 CAS No.NA Mol. F.C22H24N2O9 Mol. W.460.40 g/mol Stock Status Custom Synthesis
COA MSDS

Methacycline

CAT. No.D250020 CAS No.914-00-1 Mol. F.C22H22N2O8 Mol. W.442.42 g/mol Stock Status Custom Synthesis
COA MSDS

N-Nitroso Methacycline

CAT. No.D250015 CAS No.NA Mol. F.C21H19N3O9 Mol. W.457.39 g/mol Stock Status Custom Synthesis
COA MSDS

Isotope Labelled Compounds

Doxycycline D3

CAT. No.D250019 CAS No.2747918-45-0 Mol. F.C22H21D3N2O8 Mol. W.447.45 g/mol Stock Status Custom Synthesis
COA MSDS

Doxycycline D3 Hyclate

CAT. No.D250006 CAS No.24390-14-5 (Unlabelled) Mol. F.2(C22H21D3N2O8).2HCl.XH2O.C2H6O Mol. W.2447.45 g/mol Stock Status Under Synthesis
COA MSDS

Doxycycline-D6

CAT. No.D250002 CAS No.564-25-0 (Unlabelled) Mol. F.C22H18D6N2O8 Mol. W.450.47 g/mol Stock Status Custom Synthesis
COA MSDS

Working Standards

Doxycycline Hyclate

CAT. No.D250000 CAS No.24390-14-5 Mol. F.C22H24N2O8.1/2C2H6O.HCl.1/2H2O Mol. W.1025.88 g/mol Stock Status Instock
COA MSDS

Doxycycline Hydrochloride

CAT. No.D250000A CAS No.10592-13-9 Mol. F.C22H25ClN2O8 Mol. W.480.90 g/mol Stock Status Instock
COA MSDS

Doxycycline Monohydrate

CAT. No.D250000B CAS No.17086-28-1 Mol. F.C22H26N2O9 Mol. W.462.50 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