172776-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172776-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,7 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172776-94:
(8*1)+(7*7)+(6*2)+(5*7)+(4*7)+(3*6)+(2*9)+(1*4)=172
172 % 10 = 2
So 172776-94-2 is a valid CAS Registry Number.