78624-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78624-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,2 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78624-42:
(7*7)+(6*8)+(5*6)+(4*2)+(3*4)+(2*4)+(1*2)=157
157 % 10 = 7
So 78624-42-7 is a valid CAS Registry Number.