30786-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30786-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,8 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30786-91:
(7*3)+(6*0)+(5*7)+(4*8)+(3*6)+(2*9)+(1*1)=125
125 % 10 = 5
So 30786-91-5 is a valid CAS Registry Number.