1189709-87-2 Usage
Chemical Properties
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Check Digit Verification of cas no
The CAS Registry Mumber 1189709-87-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,7,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1189709-87:
(9*1)+(8*1)+(7*8)+(6*9)+(5*7)+(4*0)+(3*9)+(2*8)+(1*7)=212
212 % 10 = 2
So 1189709-87-2 is a valid CAS Registry Number.