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139348-91-7

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139348-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139348-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,4 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139348-91:
(8*1)+(7*3)+(6*9)+(5*3)+(4*4)+(3*8)+(2*9)+(1*1)=157
157 % 10 = 7
So 139348-91-7 is a valid CAS Registry Number.

139348-91-7Downstream Products

139348-91-7Relevant articles and documents

Synthesis and biological activity of open-chain analogues of 5,6,7,8- tetrahydrofolic acid-potential antitumor agents

Bigham,Hodson,Mallory,Wilson,Duch,Smith,Ferone

, p. 1399 - 1410 (2007/10/02)

This study describes the synthesis and in vitro antitumor activity of inhibitors of purine de novo biosynthesis that are analogues of N-[4-[[3- (2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)propyl]amino]benzoyl-L-glutamic acid (5-DACTHF). Benzene ring subs

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