677751-82-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677751-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,7,5 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 677751-82:
(8*6)+(7*7)+(6*7)+(5*7)+(4*5)+(3*1)+(2*8)+(1*2)=215
215 % 10 = 5
So 677751-82-5 is a valid CAS Registry Number.