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Substance Name: Calcium citrate [USP]
RN: 5785-44-4
UNII: MLM29U2X85
InChIKey: LNIZKKFWMDARJV-UHFFFAOYSA-H

Note

  • A colorless crystalline or white powdery organic, tricarboxylic acid occurring in plants, especially citrus fruits, and used as a flavoring agent, as an antioxidant in foods, and as a sequestrating agent. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Molecular Formula

  • C12-H10-Ca3-O14.4H2-O

Molecular Weight

  • 570.4902
 

Classification Codes

  • Food Additives
  • Supplement (Calcium)
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Names and Synonyms

Name of Substance

  • Calcium citrate
  • Calcium citrate [USP]

MeSH Heading

  • Calcium citrate

Synonyms

  • Calcium citrate
  • Calcium citrate (3:2), tetrahydrate
  • Citracal
  • Tricalcium dicitrate tetrahydrate
  • UNII-MLM29U2X85

Systematic Name

  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, calcium salt (2:3), tetrahydrate

Registry Numbers

CAS Registry Number

  • 5785-44-4

FDA UNII

  • MLM29U2X85

System Generated Number

  • 0005785444

Molecular Formulas

Molecular Formula

  • C12-H10-Ca3-O14.4H2-O

Molecular Formula Fragments

  • C12-H10-Ca3-O14
  • COMPONENT
  • H2-O

Structure Descriptors

InChI

1S/2C6H8O7.3Ca.4H2O/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;4*1H2/q;;3*+2;;;;/p-6

InChIKey

LNIZKKFWMDARJV-UHFFFAOYSA-H

Smiles

C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.O.O.[Ca+2].[Ca+2].[Ca+2]