1956330-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1956330-87-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,5,6,3,3 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1956330-87:
(9*1)+(8*9)+(7*5)+(6*6)+(5*3)+(4*3)+(3*0)+(2*8)+(1*7)=202
202 % 10 = 2
So 1956330-87-2 is a valid CAS Registry Number.