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172256-64-3

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172256-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172256-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,5 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172256-64:
(8*1)+(7*7)+(6*2)+(5*2)+(4*5)+(3*6)+(2*6)+(1*4)=133
133 % 10 = 3
So 172256-64-3 is a valid CAS Registry Number.

172256-64-3Relevant articles and documents

Synthesis and anti-HIV-1 activity of 1,5-dialkyl-6-(arylselenenyl)uracils and -2-thiouracils

Kim, Dae-Kee,Kim, Hun-Taek,Lim, Jinsoo,Gam, Jongsik,Kim, Young-Woo,Kim, Key H.,Shin, Young Oh

, p. 885 - 894 (1996)

The 1,5-dialkyl-6-(arylselenenyl)uracils 10a-h and -2-thiouracils 10i-p have been synthesized as potential anti-HIV-1 agents. Cyclization of N-alkyl-N'-[3,3-di(methylthio)-2-alkylacryloyl]ureas 6a-d and -thioureas 6e-h in acetic acid either containing a c

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