1621132-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1621132-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,1,3 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1621132-87:
(9*1)+(8*6)+(7*2)+(6*1)+(5*1)+(4*3)+(3*2)+(2*8)+(1*7)=123
123 % 10 = 3
So 1621132-87-3 is a valid CAS Registry Number.