Molecules / Calcium Carbonate

Calcium Carbonate API manufacturers

CAS 471-34-1 ATC A12AA04 Updated 9 July 2026
7
manufacturers with an active filing 5 of them hold a US DMF or a CEP
8
shortage records on file across 3 countries
862
finished-dose makers across 43 regulators
Showing 7 of 7 manufacturers This list is ranked on evidence. Placement cannot be purchased.

Ranked API manufacturers

01

Emnar Pharma

India
Makes the API
Credentials confirmed against the regulator files on 25 July 2026

Holds 2 active US DMFs for calcium carbonate, filing since 2025. Its 2025 FDA inspection closed as VAI, and its GMP is recognised in 2 markets.

US DMF
2 active
CEP
None on file
Last FDA inspection
2025 · VAI
GMP recognised in
2 markets
How this listing is sourced FDA, List of Drug Master Files
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02

Omya International

Switzerland
Makes the API
Credentials confirmed against the regulator files on 25 July 2026

Holds one valid CEP for calcium carbonate, filing since 2025. Its 2022 FDA inspection closed as VAI, and its GMP is recognised in 1 market.

US DMF
None on file
CEP
1 valid
Last FDA inspection
2022 · VAI
GMP recognised in
1 markets
How this listing is sourced EDQM certificate database
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04

Mochen Pharmaceutical (Hubei)

China
Makes the API
Credentials confirmed against the regulator files on 25 July 2026

Holds one active US DMF for calcium carbonate, filing since 2024.

US DMF
1 active
CEP
None on file
Last FDA inspection
Not established
GMP recognised in
Not established
How this listing is sourced FDA, List of Drug Master Files
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06

Scora

France
Makes the API

Registered with SFDA (Saudi Arabia) for calcium carbonate.

US DMF
None on file
CEP
None on file
Last FDA inspection
Not established
GMP recognised in
Not established
How this listing is sourced Regulator filings, warehouse snapshot 9 July 2026
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07

Specially minerals Lifford

United Kingdom
Makes the API

Registered with SFDA (Saudi Arabia) for calcium carbonate.

US DMF
None on file
CEP
None on file
Last FDA inspection
Not established
GMP recognised in
Not established
How this listing is sourced Regulator filings, warehouse snapshot 9 July 2026
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4 more manufacturers hold filings for calcium carbonate

The names are listed below. The filings, inspection history and GMP certificates behind each one are available with a free account.

Mochen Pharmaceutical (Hubei)Mineraria SacileseScoraSpecially minerals Lifford
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Finished-dose makers (126)

Italfarmaco Italy Reckitt Benckiser healthcare (UK) United Kingdom Viatris United States Bayer HealthCare United States Apotex Canada Dr. Reddy's Laboratories India Glenmark Pharmaceuticals s.r.o Czech Republic Lark Laboratories India India Procter & Gamble United States Zentiva, k.s Czech Republic Sandoz Switzerland Laboratorios Recalcine Chile Sanofi France AlfaSigma Italy Bayer Germany Bayer S/A Brazil Biocodex France Cooperation Pharmaceutique Francaise France Pfizer Brasil Ltda Brazil Zydus Lifesciences India

How this list is built

The order is set by active filings weighted by regulator, inspection outcomes and their recency, breadth of GMP recognition, and evidence of real exports, less any open risk flags. Every factor appears on the card it produced. Read the full method.

Active US DMFs
FDA, List of Drug Master Files
Valid CEPs
EDQM certificate database
Inspection outcomes
FDA inspection classifications
GMP certificates
EudraGMDP and national regulators

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Also on this molecule

Shortages 8 Recalls 20 Finished dose 126 Contract mfrs 0