1279872-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279872-65-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,8,7 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1279872-65:
(9*1)+(8*2)+(7*7)+(6*9)+(5*8)+(4*7)+(3*2)+(2*6)+(1*5)=219
219 % 10 = 9
So 1279872-65-9 is a valid CAS Registry Number.