572-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 572-18-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 572-18:
(5*5)+(4*7)+(3*2)+(2*1)+(1*8)=69
69 % 10 = 9
So 572-18-9 is a valid CAS Registry Number.
InChI:InChI=1/C26H22N4/c1-5-13-21(14-6-1)25(29-27-23-17-9-3-10-18-23)26(22-15-7-2-8-16-22)30-28-24-19-11-4-12-20-24/h1-20,27-28H/b29-25+,30-26u
572-18-9Relevant articles and documents
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Milligan,Minor
, p. 4663 (1962)
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SUBSTITUTED 1,2,3-TRIAZOLIUM-1-YLIDES AS 1,3-DIPOLES: SYNTHONS FOR A RANGE OF AZIMINE AND 1,2,3-TRIAZA SYSTEMS
Butler, Richard N.,O'Shea, Donald F.
, p. 571 - 584 (2007/10/02)
The synthetic scope of the 1,2,3-triazolium-1-ylide system as a 1,3-dipole is outlined.