1279855-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279855-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,8,5 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1279855-22:
(9*1)+(8*2)+(7*7)+(6*9)+(5*8)+(4*5)+(3*5)+(2*2)+(1*2)=209
209 % 10 = 9
So 1279855-22-9 is a valid CAS Registry Number.