27770-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27770-00-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,7 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 27770-00:
(7*2)+(6*7)+(5*7)+(4*7)+(3*0)+(2*0)+(1*0)=119
119 % 10 = 9
So 27770-00-9 is a valid CAS Registry Number.