51389-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51389-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,3,8 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51389-84:
(7*5)+(6*1)+(5*3)+(4*8)+(3*9)+(2*8)+(1*4)=135
135 % 10 = 5
So 51389-84-5 is a valid CAS Registry Number.
InChI:InChI=1/C19H17NO3/c1-3-20-12(2)17(15-10-6-7-11-16(15)20)18(21)13-8-4-5-9-14(13)19(22)23/h4-11H,3H2,1-2H3,(H,22,23)
51389-84-5Relevant articles and documents
Indolyl phthalide compounds
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, (2008/06/13)
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate phenylamine, and 3,3-bis(indolyl)phthalides prepared by the interaction of the appropriate 2-(indolyl)carbonylbenzoic acid and the appropriate indole are useful as color formers in pressure-sensitive carbonless duplicating systems, thermal marking systems and hectographic copying systems.
