927639-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 927639-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,7,6,3 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 927639-66:
(8*9)+(7*2)+(6*7)+(5*6)+(4*3)+(3*9)+(2*6)+(1*6)=215
215 % 10 = 5
So 927639-66-5 is a valid CAS Registry Number.