388632-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 388632-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,8,6,3 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 388632-27:
(8*3)+(7*8)+(6*8)+(5*6)+(4*3)+(3*2)+(2*2)+(1*7)=187
187 % 10 = 7
So 388632-27-7 is a valid CAS Registry Number.