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USP

Thioguanine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

6-Thioguanine, 2-Amino-6-mercaptopurine, 2-Amino-6-purinethiol

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About This Item

Empirical Formula (Hill Notation):
C5H5N5S
CAS Number:
154-42-7
Molecular Weight:
167.19
Beilstein:
157765
MDL number:
MFCD00233553
UNSPSC Code:
41116107
PubChem Substance ID:
329751279
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

thioguanine, tioguanine

manufacturer/tradename

USP

mp

≥300 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

NC1=Nc2nc[nH]c2C(=S)N1

InChI

1S/C5H5N5S/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11)

InChI key

WYWHKKSPHMUBEB-UHFFFAOYSA-N

Gene Information

human ... IMPDH1(3614) , IMPDH2(3615)

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Thioguanine USP Reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monograph such as Thioguanine Tablets

Biochem/physiol Actions

Ribosylated and phosphorylated by the same pathway as natural purine bases; as the nucleotide, inhibits a variety of cellular processes involved in nucleic acid synthesis. Has a long history as an effective treatment of leukemia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301

Precautionary Statements

P301 + P330 + P331 + P310

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Lynne Lennard et al.
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The impact of thiopurine methyltransferase (TPMT) genotype on thiopurine dose intensity, myelosuppression and treatment outcome was investigated in the United Kingdom childhood acute lymphoblastic leukaemia (ALL) trial ALL97. TPMT heterozygotes had significantly more frequent cytopenias and therefore required dose adjustments
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Molecular cancer research : MCR, 12(11), 1597-1609 (2014-08-12)
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