177600-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177600-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,6,0 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 177600-18:
(8*1)+(7*7)+(6*7)+(5*6)+(4*0)+(3*0)+(2*1)+(1*8)=139
139 % 10 = 9
So 177600-18-9 is a valid CAS Registry Number.