27534-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27534-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,5,3 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 27534-04:
(7*2)+(6*7)+(5*5)+(4*3)+(3*4)+(2*0)+(1*4)=109
109 % 10 = 9
So 27534-04-9 is a valid CAS Registry Number.