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19407-55-7

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19407-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19407-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,0 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19407-55:
(7*1)+(6*9)+(5*4)+(4*0)+(3*7)+(2*5)+(1*5)=117
117 % 10 = 7
So 19407-55-7 is a valid CAS Registry Number.

19407-55-7Downstream Products

19407-55-7Relevant articles and documents

Divergent Synthesis of Quinazolin-4(3H)-ones and Tryptanthrins Enabled by a tert-Butyl Hydroperoxide/K3PO4-Promoted Oxidative Cyclization of Isatins at Room Temperature

Jia, Feng-Cheng,Zhou, Zhi-Wen,Xu, Cheng,Wu, Yan-Dong,Wu, An-Xin

, p. 2942 - 2945 (2016)

A synergetic tert-butyl hydroperoxide/K3PO4-promoted oxidative cyclization has been developed for the facile synthesis of various functionalized quinazolin-4(3H)-ones from commercially available isatins and amidine hydrochlorides at room temperature. The synthetic utility of this strategy was illustrated by the convenient synthesis of tryptanthrin derivatives via a self-dimerization of isatins under the same conditions.

HETEROCYCLIC COMPOUNDS AS ANTIBIOTIC POTENTIATORS

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Paragraph 1043, (2016/07/05)

The invention relates to heterocyclic compounds and their use as antibiotics and/or as antibiotic potentiators. The compounds may act as colistin potentiators and SOS inhibitors.

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