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16561-17-4

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16561-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16561-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,6 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16561-17:
(7*1)+(6*6)+(5*5)+(4*6)+(3*1)+(2*1)+(1*7)=104
104 % 10 = 4
So 16561-17-4 is a valid CAS Registry Number.

16561-17-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name thioglycolate(2?)

1.2 Other means of identification

Product number -
Other names -

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:16561-17-4 SDS

16561-17-4Relevant articles and documents

Structure and Electrochemical Properties of the New Triply Bridged Molybdenum(V) Complex 2

Cervilla, Antonio,Llopis, Elisa,Ramirez, Jose A.,Domenech, Antonio,Palanca, Pedro,et al.

, p. 175 - 184 (1994)

The reaction of molybdate ions with an excess of thioglycolic acid has been studied in aqueous solution at room temperature by UV/VIS and NMR spectroscopy.As previously observed, spectroscopic data suggest initial formation of the complex (2-) 1, which is subsequently reduced by the excess of acid.Two molybdenum(V) complexes are formed in equilibrium in this redox reaction.The main product has been isolated as an orange-red solid with the formula 2*2H2O 2.It crystallizes in the monoclinic space group P21/a with a = 20.761(8), b = 17.441(7), c = 14.587(6) Angstroem, β = 101.08(6) deg, and Z = 4.The structure contains two cofacial Mo(V)O2(SCH2CO2)2 distorted octahedra sharing one oxygen atom and one thioglycolate ligand on a pseudo-symmetry plane (Ot-Mo 1.677, Mo-Mo 2.643, Mo-St,b 2.489, Mo-Ot,b 2.337, Mo-Ob 1.929 Angstroem, Mo-St,b-Mo 64.1, Mo-Ot,b-Mo 68.9, Mo-Ob-Mo 86.5 deg; t = terminal, b = bridging).Cyclic voltammetry shows that complexes 1 and 2 undergo a two-electron irreversible reduction at -1.27 and -1.38 V vs. the saturated calomel electrode, respectively, in methanol.In both reduction processes the monooxomolybdenum(IV) species (2-) and are generated.A reaction mechanism for the oxidation of thioglycolic acid by molybdate ions is proposed from the combined analysis of spectrophotometric, NMR, structural, and voltammetric data.Dimeric molybdenum(V) products are generated from reaction of the above monooxomolybdenum(IV) species with the starting dioxomolybdenum(VI) complex 1.A particularly remarkable supporting feature is the formation of Me2S when the reaction is carried out in the presence of Me2SO.

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