1262977-05-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1262977-05-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,9,7 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1262977-05:
(9*1)+(8*2)+(7*6)+(6*2)+(5*9)+(4*7)+(3*7)+(2*0)+(1*5)=178
178 % 10 = 8
So 1262977-05-8 is a valid CAS Registry Number.