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Tritylallyl ether, also known as 1,1-diphenyl-2-picrylhydrazyl (DPPH), is a stable, orange-colored organic compound with the chemical formula C18H15N5. It is widely used as a standard in antioxidant assays due to its ability to scavenge free radicals, which results in a color change from deep violet to yellow. This property makes it a valuable tool for evaluating the antioxidant capacity of various substances. Additionally, DPPH is employed in the determination of radical-scavenging activity in food and pharmaceutical products, as well as in the study of reaction kinetics involving free radicals. Its stability and reactivity make it a popular choice for科研 and quality control purposes in the fields of chemistry and biology.

1235-22-9

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1235-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235-22-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1235-22:
(6*1)+(5*2)+(4*3)+(3*5)+(2*2)+(1*2)=49
49 % 10 = 9
So 1235-22-9 is a valid CAS Registry Number.

1235-22-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name allyltrtyl ether

1.2 Other means of identification

Product number -
Other names Allyl-trityl-aether

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:1235-22-9 SDS

1235-22-9Relevant academic research and scientific papers

Boron Trifluoride?Diethyl Ether-Catalyzed Etherification of Alcohols: A Metal-Free Pathway to Diphenylmethyl Ethers

Li, Jiaqiang,Zhang, Xiaohui,Shen, Hang,Liu, Qing,Pan, Jing,Hu, Wen,Xiong, Yan,Chen, Changguo

supporting information, p. 3115 - 3120 (2015/11/03)

A novel boron trifluoride?diethyl ether (BF3?OEt2)-catalyzed etherification procedure has been developed in which primary and secondary alcohols are easily converted into diphenylmethyl ethers with yields of up to 99%.

Enantioselective allyltitanations. Synthesis of optically active 1,2- diol units: Useful intermediates for the preparation of biologically active compounds

Cossy, Janine,Bouzbouz, Samir,Caille, Jean Claude

, p. 3859 - 3862 (2007/10/03)

1,2-Diol units were synthesized with excellent enantiomeric excess by using an enantioselective allyltitanation of α-alkoxy-substituted aldehydes.

Cerium(IV), as a selective and efficient catalyst for alcoholyses of allylic and tertiary benzylic alcohols

Iranpoor, Nasser,Mothaghineghad, Enayatholah

, p. 1859 - 1870 (2007/10/02)

An efficient and selective method is described for the catalytic conversion of allylic, and tertiary benzylic alcohols into their corresponding ethers in the presence of Ce(IV) under solvolytic and non- solvolytic conditions.

Regioselective N- or O-Tritylation of 2(1H)-Pyridone - (Triphenylmethyl)pyridones as Tritylation Agents

Effenberger, Franz,Brodt, Werner,Zinczuk, Juan

, p. 3011 - 3026 (2007/10/02)

Tritylation of 2(1H)-pyridone (1) with triphenylmethyl chloride (4) in acetonitrile leads exclusively to N-trityl-2(1H)-pyridone (3a) via the lithium salt 1', whereas 2-pyridyl trityl ether (3b) is the only product from the reaction with the sodium salt 1

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