ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/API/(S)-(−)-colchicine
C22H25NO6
399.4 g/mol
APIDanger

Colchicine

CAS64-86-8EC200-598-5
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material

Colchicine is a pharmaceutical raw material used in the manufacturing of active pharmaceutical ingredients. It has recognized potential for developmental toxicity and male reproductive toxicity based on regulatory labeling requirements.

Pharmaceutical raw material for gout suppressant manufacturingResearch compound for plant genetics, including chromosome doublingCompound used in Familial Mediterranean Fever treatment research

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.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:California Proposition 65

CAS 64-86-8

Related Compounds

SimilarStructure SimilarSimilarity 0.85

Colchiceine

CAS477-27-0

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.73

CORNIGERINE

CAS6877-25-4

research reagent

ReferenceSame Category

17-Hydroxy-21-acetoxyprogesterone

CAS640-87-9

pharmaceutical raw material

ReferenceSame Category

Canamycin A disulfate

CAS64013-70-3

pharmaceutical raw material

ReferenceSame Category

Ethacridine lactate hydrate

CAS6402-23-9

pharmaceutical raw material

ReferenceSame Category

Zuclopenthixol decanoate

CAS64053-00-5

pharmaceutical raw material

Referencestereoisomer of

(R)-colchicine

CAS75520-89-7

pharmaceutical raw material

Safety Reference

Corrosive
Corrosive
Toxic
Toxic
Health Hazard
Health Hazard
Danger
H300Fatal if swallowed
H340May cause genetic defects
H330Fatal if inhaled
H310Fatal in contact with skin
H318Causes serious eye damage
Regulatory Compliance1
  • California Proposition 65USRegulation
    Listed· listed since 1992-10-01Source

Customs Tariff Classification

The international HS code for Colchicine (CAS 64-86-8) is 2939.79.

HS code (international, 6-digit)

2939.79

EU CN code (8-digit)

2939 79 90

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

N-[(7S)-1,2,3,10-tetramethoxy-9-oxo-6,7-dihydro-5H-benzo[a]heptalen-7-yl]acetamide

InChIKey

IAKHMKGGTNLKSZ-INIZCTEOSA-N

SMILES

CC(=O)N[C@H]1CCC2=CC(=C(C(=C2C3=CC=C(C(=O)C=C13)OC)OC)OC)OC

Synonyms (74)
  • LOC
  • LODOCO
  • MYINFLA
  • Colchicine (JP18/USP)
  • Colchicine EP Impurity B
  • Colchicine for system suitability, European Pharmacopoeia (EP)
  • Colchicine, (European Pharmacopoeia (EP) Reference Standard)
  • Colchicine, United States Pharmacopeia (USP)
  • (S)-colchicin
  • (S)-colchicina
  • (S)-colchicine
  • 4lzr
  • 4o2b
  • 7-alpha-H-Colchicine
  • Artrichine;
  • COLCHICINE IMPURITY B
  • COLCHICINE [MART.]
  • COLCHICINUM 4x
  • Colchcine
  • Colchiceine methyl ether;
  • Colchicin
  • Colchicin [German]
  • Colchicina
  • Colchicina [Italian]
  • Colchicine (Standard)
  • Colchicine CRS
  • Colchicine Tablets 0.5 mg
  • Colchicine, >=96.0% (HPLC)
  • Colchicinum
  • Colchineos
  • Colchisol
  • Colchysat
  • Colcin
  • Colcrys
  • Colsaloid
  • Colstat
  • Condylon
  • Goutnil
  • Kolkicin
  • MITIGARE COMPONENT COLCHICINE
  • Mitigare
  • PROBEN-C COMPONENT COLCHICINE
  • colchicine
  • spindle poison