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131942-78-4

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131942-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131942-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,4 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131942-78:
(8*1)+(7*3)+(6*1)+(5*9)+(4*4)+(3*2)+(2*7)+(1*8)=124
124 % 10 = 4
So 131942-78-4 is a valid CAS Registry Number.

131942-78-4Downstream Products

131942-78-4Relevant articles and documents

SYNTHESIS OF SOME NEW 3-ARYLOXYMETHYL-4-PHENYL-5-(N-SUBSTITUTED CARBOXYAMIDOMETHYL THIO)-s-TRIAZOLES

Awad, Ibrahim M. A.,Abdel-Rahman, Abdu E.,Bakhite, Etify A.

, p. 63 - 71 (2007/10/02)

3-Aryloxymethyl-4-phenyl-5-mercapto-s-triazoles (1a-c) have been synthesized and reacted with N-chloroacetyl derivatives of aromatic and/or heterocyclic amines to yield 5-(N-aryl/heterocyclyl)-carboxamidomethyl thio-s-triazole derivatives 2a-u and 3a-i respectively.Reaction of 1a-c with ethyl chloroacetate gave the corresponding esters 4a-c which were reacted with hydrazine hydrate to give hydrazides 5a-c.Condensation of 5a-c with aromatic aldehydes gave Schiff's bases 6a-u which on cycloaddition reaction with thioglycolic acid yielded 4-thiazolidinones 7a-g.Some of these compounds were screened in vitro for their antibacterial activities.

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