188308-06-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188308-06-7 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 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188308-06:
(8*1)+(7*8)+(6*8)+(5*3)+(4*0)+(3*8)+(2*0)+(1*6)=157
157 % 10 = 7
So 188308-06-7 is a valid CAS Registry Number.