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197709-31-2

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197709-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197709-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,0 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197709-31:
(8*1)+(7*9)+(6*7)+(5*7)+(4*0)+(3*9)+(2*3)+(1*1)=182
182 % 10 = 2
So 197709-31-2 is a valid CAS Registry Number.

197709-31-2Downstream Products

197709-31-2Relevant articles and documents

Synthesis and antibacterial activity of 1-β-methylcarbapenem having a 1,3-diazabicyclo[3.3.0]octan-4-one moiety

Nam, Ki Hong,Oh, Chang-Hyun,Cho, Jin Koo,Kim, Hyo Jung,Lee, Ki-Soo,Cho, Jung-Hyuck

, p. 443 - 446 (1996)

The synthesis of new series of 1-β-methylcarbapenems having a 1,3-diazabicyclo[3.3.0]octan-4-one moiety is described. Their in vitro antibacterial activities against both Gram-positive and Gram negative bacteria are reported and the effect of the substituent on the bicyclic ring was investigated and was in agreement with findings from our previous studies.

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