Cetrorelix API manufacturers

Cetrorelix is a GnRH antagonist used in fertility treatment (Cetrotide).

11 listed companies hold an active US Type II Drug Master File for Cetrorelix API, based in China (5), India (4), United States (1), Spain (1). 10 have a regulator record of GMP manufacturing, and 2 carry an open FDA warning letter.

Ordered by score. Scores follow the published rules and are not affected by paid placement. Updated 2026-11-13.

Cetrorelix API DMF holders (11)

Source: FDA Drug Master File list. Holding a DMF is a regulatory filing, not an FDA approval.

Apicore LLC (RK Pharma)
East Windsor, NJ, USA
High
GMP

RK Pharma subsidiary offering API process R&D, custom synthesis and generic APIs, with US offices and plants in Gujarat and Andhra Pradesh. Holds US DMFs for 6 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
BCN Peptides SA
Sant Quinti de Mediona (Barcelona), Spain
High
GMPISO

Privately owned Barcelona peptide CDMO founded in 1989, making GMP generic peptide APIs and custom NCE peptides. Holds US DMFs for 10 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Hangzhou peptide CRDMO founded in 2001, part of CPC Scientific/Medtide, with production in China and the USA. Holds US DMFs for cetrorelix, semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Indian CDMO whose Turbhe, Navi Mumbai site develops and makes peptide APIs by solid- and solution-phase synthesis. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
High
GMP

Jiangsu peptide CDMO and generic API supplier with large automated SPPS capacity; states it has passed four US FDA inspections. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
Hybio Pharmaceutical
Shenzhen, China
High
GMP

Chinese peptide drug manufacturer producing APIs and finished products.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House Production
High

Beijing API company, founded 2006, that holds DMFs and has its APIs made in partner facilities under its own quality control. Holds US DMFs for 13 peptide APIs.

Model
Manufacturer
Manufacturer?
Yes
WholesaleInternational Shipping
GMP

Hyderabad API developer and maker founded in 2007, focused on niche and complex products. Holds US DMFs for cetrorelix, icatibant and sincalide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Mumbai peptide API maker acquired by Piramal Pharma in 2021; its oxytocin API is WHO-prequalified; US DMF for oxytocin.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleCDMO
GMP

Harbin peptide API maker founded in 2011. Holds US DMFs for 11 peptide APIs. FDA issued it a CGMP warning letter in May 2026 that remains open.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
GMP

Mumbai-based generics group that makes APIs and finished medicines. Holds US Type II DMFs for 15 peptide APIs, including GLP-1s and GnRH analogues.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping

Other peptide APIs

Related

Frequently asked questions

Who manufactures Cetrorelix API?

Companies holding active US DMFs for Cetrorelix include Apicore LLC (RK Pharma), BCN Peptides SA, Chinese Peptide Company (CPC Scientific), Piramal Pharma Ltd (Piramal Pharma Solutions), Sinopep-Allsino Biopharmaceutical Co., Ltd., Hybio Pharmaceutical, ALP Pharm Beijing Co., Ltd., Biophore India Pharmaceuticals Pvt Ltd, Hemmo Pharmaceuticals Pvt Ltd (Piramal Pharma Solutions), Harbin Jixianglong Biotech Co., Ltd. and 1 more. Other manufacturers may supply it without a US DMF.

Where are Cetrorelix API manufacturers based?

Among listed DMF holders: China (5), India (4), United States (1), Spain (1).

Do any Cetrorelix API holders have FDA warning letters?

Harbin Jixianglong Biotech Co., Ltd. and Sun Pharmaceutical Industries Ltd have an open FDA warning letter, shown on the listing and in the FDA enforcement tracker.

Does a DMF mean the API is FDA approved?

No. FDA reviews a DMF when a drug application references it and does not approve DMFs on their own.