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69456-96-8

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69456-96-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69456-96-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,5 and 6 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69456-96:
(7*6)+(6*9)+(5*4)+(4*5)+(3*6)+(2*9)+(1*6)=178
178 % 10 = 8
So 69456-96-8 is a valid CAS Registry Number.

69456-96-8Relevant articles and documents

1,2,3-Triazoles produced from 5-Substituted N-Methoxytriazolium Salts

Begtrup, Mikael

, p. 2749 - 2756 (2007/10/02)

Five reactions, two of which are new, have been observed when 5-substituted 1-methoxy-2-phenyltriazolium salts react with nucleophiles: (i) addition to C-4 with elimination of methanol to give unsymmetrically 4,5-disubstituted triazoles; (ii) displacement of the 5-substituent followed by secondary reactions to give a symmetrically 4,5-disubstituted triazole, a 5-substituted triazole N-oxide, a 4-substituted triazole, or a disubstituted benzeneazoacetonitrile; (iii) deprotonation of the N-methoxy-group with elimination of formaldehyde; (iv) demethylation; (v) abstraction of an α-proton from a 5-alkyl group followed by nucleophilic addition and elimination of methanol to give an α-substituted 5-alkyltriazole.The reactions are of synthetic potential as a means of introducing one or two substituents in the 1,2,3-triazole system.

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