387399-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 387399-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,7,3,9 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 387399-65:
(8*3)+(7*8)+(6*7)+(5*3)+(4*9)+(3*9)+(2*6)+(1*5)=217
217 % 10 = 7
So 387399-65-7 is a valid CAS Registry Number.