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87735-99-7

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87735-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87735-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,3 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87735-99:
(7*8)+(6*7)+(5*7)+(4*3)+(3*5)+(2*9)+(1*9)=187
187 % 10 = 7
So 87735-99-7 is a valid CAS Registry Number.

87735-99-7Relevant articles and documents

Structure-activity Relationships of Herbicidal 5-Ethylamino- and 5-Propylamino-2,3-Dicyanopyrazines

Nakamura, Akira,Ataka, Toshiei,Segawa, Hirozo,Tekeuchi, Yasutomo,Takematsu, Tetsuo

, p. 1561 - 1568 (2007/10/02)

Sixty-eight 6-substituted 5-ethylamino- and 5-propylamino-2,3-dicyanopyrazines were synthesized and their herbicidal activities against barnyard grass were measured in pot tests.The most active compound was 2,3-dicyano-5-propylamino-6-(m-chlorophenyl)pyra

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