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80083-14-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80083-14-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,0,8 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80083-14:
103 % 10 = 3
So 80083-14-3 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017


1.1 GHS Product identifier

Product name (2E)-2-(1,1-Dimethoxy-2-propanylidene)hydrazinecarbothioamide

1.2 Other means of identification

Product number -
Other names 1,1-dimethoxyacetone thiosemicarbazone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:80083-14-3 SDS

80083-14-3Downstream Products

80083-14-3Relevant articles and documents

Mixed bis(thiosemicarbazone) ligands for the preparation of copper radiopharmaceuticals: Synthesis and evaluation of tetradentate ligands containing two dissimilar thiosemicarbazone functions

Lim, John K.,Mathias, Carla J.,Green, Mark A.

, p. 132 - 136 (1997)

A series of four 'mixed' bis(thiosemicarbazone) keto aldehyde derivatives containing dissimilar thiosemicarbazone functions were synthesized and evaluated as ligands for preparation of radiocopper-labeled radiopharmaceuticals. The pyruvaldehyde-based mixed bis(thiosemicarbazone) ligands CH3C[=NNHC(S)NH2]CH[=NNHC(S)NHMe] (4a), CH3C[=NNHC(S)NHMe]- CH[=NNHC(S)NH2] (4b), CH3C[=NNHC(S)NH2]CH[=NNHC(S)NMe2] (4c), and CH3C[=NNHC-(S)NHMe]CH[=NNHC(S)NMe2] (4d) were obtained by reaction of thiosemicarbazide, N4-methylthiosemicarbazide, or N4,N4- dimethylthiosemicarbazide with pyruvaldehyde 2-thiosemicarbazones that had been generated by oxidative cleavage of the appropriate pyruvic aldehyde dimethyl acetal 2-thiosemicarbazone. The 67Cu-labeled complexes of ligands 4a-d were prepared and screened in a rat model to assess the potential of each chelate as a 62Cu radiopharmaceutical for imaging with positron emission tomography. In the rat model the 67Cu complexes of ligands 4a-d exhibit significant uptake into the brain and heart after intravenous injection, following trends similar to those previously reported for the related bis(thiosemicarbazone) complexes, Cu-PTS, Cu-PTSM, and Cu-PTSM2 (derived from pyruvaldehyde bis(thiosemicarbazone), pyruvaldehyde bis(N4- methylthiosemicarbazone), and pyruvaldehyde bis(N4,N4- dimethylthiosemicarbazone), respectively). Ultrafiltration studies using solutions of dog and human serum albumin reveal that the 67Cu complexes of ligands 4a-d, like the Cu(II) complex of pyruvaldehyde bis(N4- methylthiosemicarbazone), interact more strongly with human albumin than dog albumin.

Synthesis and the Crystal Structure of 4-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-methyl-1,2,4-triazin-3(4H)-one 1-Oxide, a Structural Analogue of Thymidine

Bobek, M.,Glowka, M.,Parthasarathy, R.

, p. 913 - 916 (2007/10/02)

Condensation of pyruvaldehyde dimethyl acetal with thiosemicarbazide, followed by methylation and cyclization, gave 3-(methylthio)-6-methyl-1,2,4-triazine, which was converted to 6-methyl-1,2,4-triazin-3(4H)-one 1-oxide by treatment with sodium methoxide and by selective oxidation and hydrolysis.Following silylation, this intermediate was condensed with blocked 2-deoxyribofuranosyl chloride, providing the anomeric nucleoside mixture, which was separated and deblocked to furnish the title compound.X-ray analysis of this nucleoside was carried out to confirm its structure and to study its conformation.

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