5531-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5531-67-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,3 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5531-67:
(6*5)+(5*5)+(4*3)+(3*1)+(2*6)+(1*7)=89
89 % 10 = 9
So 5531-67-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H7ClN4O/c10-8-3-1-2-7(4-8)9(15)13-14-5-11-12-6-14/h1-6H,(H,13,15)