1279863-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279863-55-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,8,6 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1279863-55:
(9*1)+(8*2)+(7*7)+(6*9)+(5*8)+(4*6)+(3*3)+(2*5)+(1*5)=216
216 % 10 = 6
So 1279863-55-6 is a valid CAS Registry Number.