C10H12ClN5O3
285.69 g/mol
APIDanger
Cladribine
CAS4291-63-8
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Cladribine is a purine nucleoside analogue used as an active pharmaceutical ingredient in pharmaceutical manufacturing. It is investigated primarily for its role in the production of medications for certain hematological conditions.
pharmaceutical raw material for antineoplastic drug productscompound used in the manufacturing of treatments for hairy cell leukemia
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 4291-63-8
Related Compounds
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Cladribine (CAS 4291-63-8) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 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
(2R,3S,5R)-5-(6-amino-2-chloropurin-9-yl)-2-(hydroxymethyl)oxolan-3-ol
InChIKey
PTOAARAWEBMLNO-KVQBGUIXSA-N
SMILES
C1[C@@H]([C@H](O[C@H]1N2C=NC3=C(N=C(N=C32)Cl)N)CO)O
Synonyms (43)
- Cladribine (JAN/USP/INN)
- Cladribine for peak identification, European Pharmacopoeia (EP)
- Cladribine, European Pharmacopoeia (EP)
- Cladribine, United States Pharmacopeia (USP)
- 2'-Deoxy-2-chloroadenosine
- 2-CdA
- 2-Chloro-2'-deoxy-D-adenosine
- 2-Chloro-2'-deoxyadenosine
- 2-Chlorodeoxyadenosine
- 2ClAdo
- ADENOSINE, 2-CHLORO-2'-DEOXY-
- CLADRIBINE [MART.]
- Chlorodeoxyadenosine
- Cladarabine
- Cladaribine
- Cladribine
- Cladribine (Standard)
- Cladribine - Bio-X trade mark
- Cladribine CRS
- CldAdo
- Leustat
- Leustatin
- Leustatin (TN)
- Leustatine
- Litak
- Mavenclad (TN)
- Movectro
- Mylinax
- cladribina
- cladribinum
- mavenclad