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Calcium pantothenate

Drug ingredient

CAS 137-08-6

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

Molecular structure of 137-08-6
1 Ca²⁺
US productionNot reported
Import value, 2024$48M
Top sourceChina 72%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 293624 · narrow

These shares come from HS customs code 293624, which covers 5 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 72%ChinaGB 21%United KingdomDE 7%Germany
9 FDA-registered drug labelers
Acella Pharmaceuticals, LLC
BioActive Nutritional
Exeltis USA, Inc.
Hillestad Pharmaceuticals USA
Nutritional Specialties, Inc.
Pure Source, LLC
PureTek Corporation
Seton Pharmaceuticals
U.S. Pharmaceutical Corporation

Why It Matters

Sectors
Health
Downstream Uses

Appears in 20 drug and cosmetic product listings (FDA).

  • •Dialyvite
  • •Integra Plus
  • •Concept OB
  • •Se-Tan PLUS
  • •PureVit DualFe Plus
  • •Dialyvite 5000
  • •Dialyvite 3000
  • •Livita Children
Show all 20
  • •Vita-Rx Diabetic Vitamin
  • •Dialyvite with Zinc
  • •NADH Plus
  • •Livita Adults
  • •PNV-Select
  • •B Complex Liquescence
  • •Strovite One Caplets
  • •Se-Natal 19 Chewable
  • •Dexatran
  • •Dialyvite Supreme D
  • •Se-Natal 19
  • •Concept DHA
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS137-08-6
PubChem CID443753
DTXSIDDTXSID8040438
FormulaC18H32CaN2O10
Mol. Weight476.5 g/mol
SMILESCC(C)(CO)C(C(=O)NCCC(=O)[O-])O.CC(C)(CO)C(C(=O)NCCC(=O)[O-])O.[Ca+2]

Data Sources

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Brief citations

Calcium pantothenate (CAS 137-08-6) https://chemicalindependence.com/chemical/137-08-6/ PubChem: 443753. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/443753 EPA TSCA Inventory: CAS 137-08-6. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293624 for CAS 137-08-6. Reporting year: 2024. https://usatrade.census.gov/