578764-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 578764-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,8,7,6 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 578764-41:
(8*5)+(7*7)+(6*8)+(5*7)+(4*6)+(3*4)+(2*4)+(1*1)=217
217 % 10 = 7
So 578764-41-7 is a valid CAS Registry Number.