183813-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183813-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,1 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 183813-90:
(8*1)+(7*8)+(6*3)+(5*8)+(4*1)+(3*3)+(2*9)+(1*0)=153
153 % 10 = 3
So 183813-90-3 is a valid CAS Registry Number.