1285532-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285532-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,5,3 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1285532-55:
(9*1)+(8*2)+(7*8)+(6*5)+(5*5)+(4*3)+(3*2)+(2*5)+(1*5)=169
169 % 10 = 9
So 1285532-55-9 is a valid CAS Registry Number.