Paricalcitol

Drug ingredient

CAS 131918-61-1

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$118M

Top sourceGermany 19%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290619 · basket

These shares come from HS customs code 290619, which covers 137 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 19%GermanyCH 17%SwitzerlandBR 17%BrazilIN 11%IndiaIT 10%Italy

Netherlands
Ukraine
Canada
United Kingdom
Malaysia
Australia
Indonesia
Czech Republic
Belgium

19 FDA-registered drug labelers

AbbVie Inc.

AbbVie Ireland NL B.V.

Accord Healthcare, Inc.

Amneal Pharmaceuticals LLC

Aurobindo Pharma Limited

Bionpharma Inc.

Bryant Ranch Prepack

Catalent Pharma Solutions, LLC

Chongqing Huapont Pharmaceutical Co Ltd

Dr. Reddy's Laboratories Limited

Eugia US LLC

Formosa Laboratories, Inc.

MARKSANS PHARMA LIMITED

Neuland Laboratories Limited

Patheon Softgels Inc.

Sai Life Sciences Limited

Sigma-Aldrich Corporation

TIME CAP LABORATORIES, INC

West-Ward Pharmaceuticals Corp

Why It Matters

Sectors

Health

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Paricalcitol
•Zemplar

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No Shortage

Shortage History

Rows group FDA shortage filings by drug product. Each manufacturer makes its own FDA shortage filing, so one product can carry several reports at once: Available, Limited Availability, Unavailable or to be discontinued.

to be discontinued
Paricalcitol Capsule
Shortage listed since October 7, 2025

See all current drug shortages

Chemical Identity

CAS131918-61-1

PubChem CID5281104

DTXSIDDTXSID4048640

FormulaC27H44O3

Mol. Weight416.6 g/mol

SMILESCC(C=CC(C)C(C)(C)O)C1CCC2C1(CCCC2=CC=C3CC(CC(C3)O)O)C

Data Sources

PubChem · compound 5281104Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA Drug ShortagesRetrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Paricalcitol (CAS 131918-61-1) https://chemicalindependence.com/chemical/131918-61-1/ PubChem: 5281104. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5281104 FDA National Drug Code directory: CAS 131918-61-1. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 131918-61-1. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 290619 for CAS 131918-61-1. Reporting year: 2024. https://usatrade.census.gov/