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78500-62-6

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78500-62-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78500-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,0 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78500-62:
(7*7)+(6*8)+(5*5)+(4*0)+(3*0)+(2*6)+(1*2)=136
136 % 10 = 6
So 78500-62-6 is a valid CAS Registry Number.

78500-62-6Relevant articles and documents

Intramolecular Nitrene Insertions into Aromatic and Heteroaromatic Systems. Part 7. Insertions into Electron-deficient Rings

Carde, Robert N.,Hayes, Peter C.,Jones, Gurnos,Cliff, Cynthya J.

, p. 1132 - 1142 (2007/10/02)

A number of routes to o-aminotriphenylmethanes are described, where one benzene ring, or both, carry potential ester groups.The most useful synthon is shown to be the 1,3-dioxan-2-yl substituent, and using this methyl 2-aminodiphenylmethane-4'-carboxylate (18) and dimethyl 2-aminotriphenylmethane-4',4''-dicarboxylate (28) have been prepared.The azides from these, respectively (19) and (29), on thermolysis at 200 deg C gave azepinoindoles (48) and (51), the first examples of ring expansion by an arylnitrene of benzene rings with electron-withdrawing substituents.Also reported are syntheses of 3- and 4-(2-azidobenzyl)pyridines (38) and (39), and of 2-(2-azidobenzyl)thiazole (40); decomposition of these azides gave mainly polymers.

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