1189797-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189797-82-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,7,9 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1189797-82:
(9*1)+(8*1)+(7*8)+(6*9)+(5*7)+(4*9)+(3*7)+(2*8)+(1*2)=237
237 % 10 = 7
So 1189797-82-7 is a valid CAS Registry Number.