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119607-58-8

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119607-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119607-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,0 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 119607-58:
(8*1)+(7*1)+(6*9)+(5*6)+(4*0)+(3*7)+(2*5)+(1*8)=138
138 % 10 = 8
So 119607-58-8 is a valid CAS Registry Number.

119607-58-8Downstream Products

119607-58-8Relevant articles and documents

POLYMETHINE DYES BASED ON BENZOPYRYLIUM IONS

Makin, S. M.,Markina, T. A.,Boiko, I. I.

, p. 2182 - 2187 (2007/10/02)

A method is described for the synthesis of a series of benzopyrylium polymethine dyes by the acid cyclization of 2-hydroxystyryl polyenyl ketones, obtained by the successive crotonic condensation of aliphatic or alicyclic ketones initially with salicylaldehyde and its alkyl or halogen derivatives and then with aromatic aldehydes containing a p-methoxyphenyl or 9-alkylcarbazole fragment.The electronic absorption spectra of the new benzopyrylium dyes were studied.

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