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Home/Compounds/API/Silycristin A
C25H22O10
482.4 g/mol
APIWarning

Silychristin

CAS33889-69-9EC251-720-9
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material

Silychristin is a natural flavonolignan and a constituent of silymarin, the active extract from milk thistle fruit. It is the second most abundant compound in silymarin, after silybin.

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Sodium glycocholate hydrate

CAS338950-81-5

pharmaceutical raw material

ReferenceSame Category

Ornipressin

CAS3397-23-7

pharmaceutical raw material

ReferenceSame Category

Oxaceprol

CAS33996-33-7

pharmaceutical raw material

ReferenceSame Category

Orphenadrine hydrochloride

CAS341-69-5

pharmaceutical raw material

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed

Customs Tariff Classification

The international HS code for Silychristin (CAS 33889-69-9) is 2932.99.

HS code (international, 6-digit)

2932.99

EU CN code (8-digit)

2932 99 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2R,3R)-3,5,7-trihydroxy-2-[(2R,3S)-7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1-benzofuran-5-yl]-2,3-dihydrochromen-4-one

InChIKey

BMLIIPOXVWESJG-LMBCONBSSA-N

SMILES

COC1=C(C=CC(=C1)[C@H]2[C@@H](C3=C(O2)C(=CC(=C3)[C@@H]4[C@H](C(=O)C5=C(C=C(C=C5O4)O)O)O)O)CO)O

Synonyms (22)
  • Silicristina [INN-Spanish]
  • Silicristine [INN-French]
  • Silicristinum [INN-Latin]
  • SILICRISTIN [MART.]
  • Silicristin
  • Silicristina
  • Silicristine
  • Silicristinum
  • Silychristin
  • Silychristin (Standard)
  • Silychristin A
  • Silymarin II
  • silycristine

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