L-Ascorbic acid calcium salt (2:1)

Drug ingredient

EPA records show zero U.S. production for this drug ingredient.

Molecular structure of 5743-27-1
US ProductionZero
Import Value$190M
Top SourceChina 73%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293627 · narrow

These shares come from HS customs code 293627, which covers 2 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 73%ChinaGB 20%United KingdomIN 2%IndiaDE 1%GermanyKR 1%South Korea

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Nestabs ONE
  • •Se-Natal 19 Chewable
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS5743-27-1
PubChem CID54740489
DTXSIDDTXSID40110036
FormulaC12H14CaO12
Mol. Weight390.31 g/mol
SMILESC(C(C1C(=C(C(=O)O1)[O-])O)O)O.C(C(C1C(=C(C(=O)O1)[O-])O)O)O.[Ca+2]

Data Sources

DTXSID401100362026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

547404892026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/54740489/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/54740489.json

5743-27-12026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

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