190653-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190653-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,6,5 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 190653-88:
(8*1)+(7*9)+(6*0)+(5*6)+(4*5)+(3*3)+(2*8)+(1*8)=154
154 % 10 = 4
So 190653-88-4 is a valid CAS Registry Number.