173828-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173828-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,8,2 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 173828-76:
(8*1)+(7*7)+(6*3)+(5*8)+(4*2)+(3*8)+(2*7)+(1*6)=167
167 % 10 = 7
So 173828-76-7 is a valid CAS Registry Number.