27641-79-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27641-79-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,4 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27641-79:
(7*2)+(6*7)+(5*6)+(4*4)+(3*1)+(2*7)+(1*9)=128
128 % 10 = 8
So 27641-79-8 is a valid CAS Registry Number.