388116-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 388116-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,8,1,1 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 388116-28:
(8*3)+(7*8)+(6*8)+(5*1)+(4*1)+(3*6)+(2*2)+(1*8)=167
167 % 10 = 7
So 388116-28-7 is a valid CAS Registry Number.