733719-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 733719-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,3,7,1 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 733719-74:
(8*7)+(7*3)+(6*3)+(5*7)+(4*1)+(3*9)+(2*7)+(1*4)=179
179 % 10 = 9
So 733719-74-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H12ClNO2/c1-3-17-13(16)11-6-9-4-5-10(14)7-12(9)15-8(11)2/h4-7H,3H2,1-2H3