180741-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180741-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,7,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 180741-33:
(8*1)+(7*8)+(6*0)+(5*7)+(4*4)+(3*1)+(2*3)+(1*3)=127
127 % 10 = 7
So 180741-33-7 is a valid CAS Registry Number.