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6-Mercaptopurine

6-Mercaptopurine  Structure
CAS No.
50-44-2
Chemical Name:
6-Mercaptopurine
Synonyms
6mp;THIOPURINE;mercaptopurin;purinethol;7H-PURINE-6-THIOL;Azathioprine EP Impurity B;3,7-dihydro-6H-purine-6-thione;mern;nsc755;u-4748
CBNumber:
CB1425059
Molecular Formula:
C5H4N4S
Molecular Weight:
152.18
MOL File:
50-44-2.mol
MSDS File:
SDS
Modify Date:
2024/7/2 8:55:00

6-Mercaptopurine Properties

Melting point 241-244°C
Boiling point 498.6±37.0 °C(Predicted)
Density 1.463 (estimate)
refractive index 1.5605 (estimate)
storage temp. Inert atmosphere,2-8°C
solubility DMSO : 35.71 mg/mL (234.66 mM; Need ultrasonic)
form solid
pka 7.77, 11.17(at 25℃)
color Light yellow to yellow
Water Solubility 124mg/L(25 ºC)
CAS DataBase Reference 50-44-2(CAS DataBase Reference)
IARC 3 (Vol. 26, Sup 7) 1987
EPA Substance Registry System Mercaptopurine (50-44-2)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338
RIDADR  3249
HazardClass  6.1(b)
PackingGroup  III
HS Code  2933599590
Toxicity LD50 oral in rat: 277mg/kg

6-Mercaptopurine Chemical Properties,Uses,Production

Chemical Properties

Yellowish-Greenish Solid

Uses

Has a cytotoxicity effect

Uses

6-Mercaptopurine (6-MP) is a antineoplastic, immonusupressant; inhibits purine nucleotide synthesis and metabolism. 6-MP have been used for several decades in the treatment of leukemia and certain other neoplastic diseases. 6-Mercaptopurine is used for maintenance therapy of acute lymphocytic and acute myelogenous leukemia.

Definition

A sulfurcontaining purine base not found in animal nucleoproteins.

Hazard

Questionable carcinogen.

Safety Profile

Poison by ingestion, intraperitoneal, subcutaneous, parenteral, and intravenous routes. Human systemic effects by ingestion: dermatitis. Experimental teratogenic and reproductive effects. Questionable human carcinogen producing Hodgkin's disease and leukemia. Human mutation data reported. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also MERCAPTANS.

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