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A9546

Sigma-Aldrich

2-Amino-6-methylmercaptopurine

≥95%

Synonym(s):

2-Amino-6-methylthiopurine

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About This Item

Empirical Formula (Hill Notation):
C6H7N5S
CAS Number:
1198-47-6
Molecular Weight:
181.22
EC Number:
214-833-4
MDL number:
MFCD00044701
UNSPSC Code:
41106305
PubChem Substance ID:
24891471
NACRES:
NA.51

Assay

≥95%

form

solid

SMILES string

[H]n1cnc2c(SC)nc(N)nc12

InChI

1S/C6H7N5S/c1-12-5-3-4(9-2-8-3)10-6(7)11-5/h2H,1H3,(H3,7,8,9,10,11)

InChI key

YEGKYFQLKYGHAR-UHFFFAOYSA-N

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Application

2-Amino-6-methylmercaptopurine (6-MTG) has been used as a supplement in Dulbecco′s modified Eagles medium (DMEM) medium for the selection of gpt-expressing recombinant virus mCMVhMIEPE-gpt.lacZ (cytomegalovirus major immediate-early promotor-enhancer complex-gpt.lacz). It has also been used as a standard in high performance liquid chromatography (HPLC) to assess the activity of thiopurine methyltransferase (TPMT) enzyme.
2-Amino-6-methylmercaptopurine is a 2-amino-6-alkyldithiopurine that has been used with other 6-position carbon analogues to study brain specific diazepam binding.

Biochem/physiol Actions

2-Amino-6-methylmercaptopurine is synthesized from 6-mercaptopurine by the S methylation activity of thiopurine methyl transferase (TMPT) enzyme.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H315,H318,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Pharmacogenetics of drug metabolizing enzyme: thiopurine methyl transferase phenotypes and multidrug resistance 1 gene polymorphism in inflammatory bowel disease
Bahrehmand F, et al.
Cellular and Molecular Biology, 62(7), 102-109 (2016)
T Dooley et al.
Journal of chromatography, 337(2), 321-327 (1985-02-08)
A flow-fluorimetric high-performance liquid chromatographic assay for 6-methylthioguanine in urine has been developed. This compound is a major catabolite of 6-thioguanine, an important drug in cancer chemotherapy. The metabolite was extracted from alkaline urine with ethyl acetate which was injected
Cancer Chemotherapy and Biotherapy: Principles and Practice, 193-193 (2010)
T R Waters et al.
Biochemistry, 36(9), 2501-2506 (1997-03-04)
It has been suggested that the cytotoxicity of 6-thioguanine depends upon (1) incorporation of 6-thioguanine into DNA, (2) methylation by S-adenosylmethionine (SAM) of the thio group to give S6-methylthioguanine, (3) miscoding during DNA replication to give [SMeG] x T base
Loretta T Ford et al.
Annals of clinical biochemistry, 41(Pt 4), 303-308 (2004-08-10)
Although widely used, thiopurine drugs have a narrow therapeutic index and treatment can result in life-threatening toxicity, the basis being pharmacogenetic variation in thiopurine metabolism by thiopurine S-methyltransferase (TPMT). We recently developed a modified phenotyping assay to determine TPMT activity
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