1321953-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321953-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,9,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1321953-89:
(9*1)+(8*3)+(7*2)+(6*1)+(5*9)+(4*5)+(3*3)+(2*8)+(1*9)=152
152 % 10 = 2
So 1321953-89-2 is a valid CAS Registry Number.