188755-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188755-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,7,5 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 188755-47:
(8*1)+(7*8)+(6*8)+(5*7)+(4*5)+(3*5)+(2*4)+(1*7)=197
197 % 10 = 7
So 188755-47-7 is a valid CAS Registry Number.