178948-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178948-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 178948-49:
(8*1)+(7*7)+(6*8)+(5*9)+(4*4)+(3*8)+(2*4)+(1*9)=207
207 % 10 = 7
So 178948-49-7 is a valid CAS Registry Number.