30387-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30387-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,3,8 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 30387-40:
(7*3)+(6*0)+(5*3)+(4*8)+(3*7)+(2*4)+(1*0)=97
97 % 10 = 7
So 30387-40-7 is a valid CAS Registry Number.