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71989-90-7

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  • Guanidine,N-cyano-N''-methyl-N'-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]-,hydrochloride (1: )

    Cas No: 71989-90-7

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71989-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71989-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,8 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71989-90:
(7*7)+(6*1)+(5*9)+(4*8)+(3*9)+(2*9)+(1*0)=177
177 % 10 = 7
So 71989-90-7 is a valid CAS Registry Number.

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