188302-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188302-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,3,0 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 188302-81:
(8*1)+(7*8)+(6*8)+(5*3)+(4*0)+(3*2)+(2*8)+(1*1)=150
150 % 10 = 0
So 188302-81-0 is a valid CAS Registry Number.