1269535-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1269535-21-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,5,3 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1269535-21:
(9*1)+(8*2)+(7*6)+(6*9)+(5*5)+(4*3)+(3*5)+(2*2)+(1*1)=178
178 % 10 = 8
So 1269535-21-8 is a valid CAS Registry Number.