1282172-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1282172-35-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,2,1,7 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1282172-35:
(9*1)+(8*2)+(7*8)+(6*2)+(5*1)+(4*7)+(3*2)+(2*3)+(1*5)=143
143 % 10 = 3
So 1282172-35-3 is a valid CAS Registry Number.