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19808-37-8

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19808-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19808-37-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,0 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19808-37:
(7*1)+(6*9)+(5*8)+(4*0)+(3*8)+(2*3)+(1*7)=138
138 % 10 = 8
So 19808-37-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H6ClN3/c9-6-3-1-2-5-7(6)11-4-12-8(5)10/h1-4H,(H2,10,11,12)

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