82439-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82439-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,3 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82439-15:
(7*8)+(6*2)+(5*4)+(4*3)+(3*9)+(2*1)+(1*5)=134
134 % 10 = 4
So 82439-15-4 is a valid CAS Registry Number.
InChI:InChI=1/2C15H20N2.C4H4O4/c2*1-2-17-10-4-5-12(11-17)13-6-3-7-15-14(13)8-9-16-15;5-3(6)1-2-4(7)8/h2*3,6-9,12,16H,2,4-5,10-11H2,1H3;1-2H,(H,5,6)(H,7,8)/b;;2-1+