205744-84-9 Usage
Chemical Properties
yellow powder
Check Digit Verification of cas no
The CAS Registry Mumber 205744-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,7,4 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 205744-84:
(8*2)+(7*0)+(6*5)+(5*7)+(4*4)+(3*4)+(2*8)+(1*4)=129
129 % 10 = 9
So 205744-84-9 is a valid CAS Registry Number.
InChI:InChI=1/C11H8N2O2/c14-6-8(7-15)11-5-12-9-3-1-2-4-10(9)13-11/h1-7,13H