27129-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27129-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,2 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27129-51:
(7*2)+(6*7)+(5*1)+(4*2)+(3*9)+(2*5)+(1*1)=107
107 % 10 = 7
So 27129-51-7 is a valid CAS Registry Number.