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42330-51-8

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42330-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42330-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,3 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42330-51:
(7*4)+(6*2)+(5*3)+(4*3)+(3*0)+(2*5)+(1*1)=78
78 % 10 = 8
So 42330-51-8 is a valid CAS Registry Number.

42330-51-8Relevant articles and documents

HBr/H2O2-mediated formation of C–S bond with thiosulfates

Zhang, Rongxing,Jin, Shengzhou,Wan, Yuanxing,Lin, Sen,Yan, Zhaohua

, p. 841 - 847 (2018)

A novel, efficient, and green protocol to construct C–S bond has been developed via HBr/H2O2-mediated sulfenylation of styrenes and 4-hydroxycoumarins leading to unsymmetrical sulfides. Various unsymmetrical sulfides were prepared in one step with moderate to good yields using environmentally-friendly H2O2 as oxidant and HBr as catalyst. Based on the preliminary experimental results, a plausible reaction mechanism was proposed for HBr/H2O2-mediated formation of C–S bond with thiosulfates.

Br?nsted Acid-Assisted Zinc-Catalyzed Markovnikov-Type Hydrothiolation of Alkenes Using Thiols

Taniguchi, Nobukazu

, p. 6528 - 6534 (2020/07/14)

The zinc-catalyzed regioselective hydrothiolation of alkenes with thiols was achieved in the presence of 4-toluenesulfonic acid. Through this procedure, Markovnikov-type sulfides were synthesized in excellent yields, and the formation of anti-Markovnikov-

Molecular Iodine Catalyzed Hydroxysulfenylation of Alkenes with Disulfides in Aerobic Conditions

He, Yunpeng,Ni, Bang-Qing,Niu, Teng-Fei,Rong, Xuejiao

supporting information, p. 1830 - 1834 (2019/09/09)

An environmentally friendly and efficient strategy has been developed for preparing β-hydroxy sulfides by a molecular-iodine-catalyzed radical reaction. This reaction involves hydroxysulfenylation of alkenes with disulfides in aqueous solution. Air is use

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