1071981-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1071981-63-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,9,8 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1071981-63:
(9*1)+(8*0)+(7*7)+(6*1)+(5*9)+(4*8)+(3*1)+(2*6)+(1*3)=159
159 % 10 = 9
So 1071981-63-9 is a valid CAS Registry Number.