178249-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178249-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 178249-41:
(8*1)+(7*7)+(6*8)+(5*2)+(4*4)+(3*9)+(2*4)+(1*1)=167
167 % 10 = 7
So 178249-41-7 is a valid CAS Registry Number.