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33965-85-4

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33965-85-4 Usage

General Description

1-chloro-4-(phenyldisulfanyl)benzene, also known as p-chlorophenyl disulfide, is a chemical compound with the molecular formula C12H9ClS2. It is a white to off-white crystalline solid with a mild, sulfur-like odor. 1-chloro-4-(phenyldisulfanyl)benzene is primarily used as an intermediate in the manufacture of pharmaceuticals and agrochemicals. It is also used as a chemical reagent in organic synthesis and as a precursor in the production of other sulfur-containing compounds. P-chlorophenyl disulfide is known to be an irritant to the skin, eyes, and respiratory system, and proper safety measures should be taken when handling this compound.

Check Digit Verification of cas no

The CAS Registry Mumber 33965-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,6 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33965-85:
(7*3)+(6*3)+(5*9)+(4*6)+(3*5)+(2*8)+(1*5)=144
144 % 10 = 4
So 33965-85-4 is a valid CAS Registry Number.

33965-85-4Relevant articles and documents

Transformation of arylboronic acids with sodium thiosulfate into organodisulfides catalyzed by a recyclable polyoxometalate-based Cr(iii) catalyst

Chang, Yalin,Li, Huiyi,Tao, Chaofu,Wang, Aiping,Wei, Yongge,Xie, Ya,Yu, Han,Yu, Shunming

supporting information, p. 6059 - 6064 (2021/08/23)

Organo disulfides represent an abundant class of compounds in chemical biology, pharmaceutical fields, and industry. They are traditionally synthesized by the oxidation of mercaptan in the presence of an organic ligand supported metal catalyst or toxic oxidants under harsh conditions. Here, we disclose a highly-efficient pathway in which disulfide is synthesized by organic boric acid and Na2S2O3 using the catalyst (NH4)3[CrMo6O18(OH)6], demonstrating a high activity and excellent selectivity. Various boric acid derivatives have been successfully transformed into the corresponding disulfides. Mechanistic insights have been furnished based on the observation of intermediate and control experiments.

Unsymmetrical Disulfides Synthesis via Sulfenium Ion

Parida, Amarchand,Choudhuri, Khokan,Mal, Prasenjit

supporting information, p. 2579 - 2583 (2019/07/15)

An umpolung approach for the synthesis of unsymmetrical disulfides via sulfenium ion is reported. In situ generated electrophilic sulfenium ion from electron-rich thiols reacted with second thiols to yield unsymmetrical disulfides. Using an iodine catalyst and 4-dimethylaminopyridine (DMAP)/water as promoter, the target syntheses were achieved in one pot under aerobic condition.

A traceless, one-pot preparation of unsymmetric disulfides from symmetric disulfides through a repeated process involving sulfenic acid and thiosulfinate intermediates

Han, Minsoo,Lee, Jong Tak,Hahn, Hoh-Gyu

experimental part, p. 236 - 239 (2011/02/28)

A variable group of unsymmetric disulfides was prepared under mild reaction conditions and in high yields through the reaction of symmetric disulfides with sulfuryl chloride followed by treatment with thiols in the presence of water.

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