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24824-36-0

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24824-36-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24824-36-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,8,2 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 24824-36:
(7*2)+(6*4)+(5*8)+(4*2)+(3*4)+(2*3)+(1*6)=110
110 % 10 = 0
So 24824-36-0 is a valid CAS Registry Number.
InChI:InChI=1/C20H20O4/c1-3-23-19(21)18(20(22)24-4-2)17(15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14H,3-4H2,1-2H3

24824-36-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name diethyl 2,2-diphenylethene-1,1-dicarboxylate

1.2 Other means of identification

Product number -
Other names diethyl 2-(diphenylmethylidene)malonate

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:24824-36-0 SDS

24824-36-0Relevant articles and documents

Fe(II)-Catalyzed alkenylation of benzylic C-H bonds with diazo compounds

Shi, Jiang-Ling,Luo, Qinyu,Yu, Weizhi,Wang, Bo,Shi, Zhang-Jie,Wang, Jianbo

supporting information, p. 4047 - 4050 (2019/04/10)

We report herein an alkenylation of benzylic C(sp3)-H bonds with diazo compounds via carbon cation intermediates with DDQ as the oxidant in the presence of a catalytic amount of Fe(ii). Diphenylmethane, toluene, benzyl methyl sulfide and their derivatives could be applied as substrates to afford the tetra-substituted olefin products, which may serve as useful building blocks in organic synthesis.

(Hexaphenyltrimethylene)methane dication and related carbocations

Head, Nicholas J.,Olah, George A.,Prakash, G. K. Surya

, p. 11205 - 11210 (2007/10/03)

By ionization of the respective alkenediol (8a), the (hexaphenyltrimethylene)methane dication (2) has been prepared and found stable in solution under superacidic stable ion conditions (FSO3H/SO2CIF) up to at least -20 °C. The spectroscopic data and AMI theoretical modeling indicate that although the entire π-system is twisted, phenyl groups stabilize the positive charges in 2 to a similar degree as those in the trityl cation. The hexa-p-CF3 derivative of 2 was also observable but only at very low temperatures (-90 °C). Disruption of the 3-fold symmetry and reduction of the number of stabilizing phenyl rings even to five resulted in intramolecular allylation and subsequent formation of the corresponding indenyl cations. In all the cases studied no evidence for "Y-aromatic" stabilization was found.

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