1276016-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1276016-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,0,1 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1276016-99:
(9*1)+(8*2)+(7*7)+(6*6)+(5*0)+(4*1)+(3*6)+(2*9)+(1*9)=159
159 % 10 = 9
So 1276016-99-9 is a valid CAS Registry Number.