78583-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78583-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,8 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78583-30:
(7*7)+(6*8)+(5*5)+(4*8)+(3*3)+(2*3)+(1*0)=169
169 % 10 = 9
So 78583-30-9 is a valid CAS Registry Number.