153221-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153221-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,2,2 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 153221-18:
(8*1)+(7*5)+(6*3)+(5*2)+(4*2)+(3*1)+(2*1)+(1*8)=92
92 % 10 = 2
So 153221-18-2 is a valid CAS Registry Number.