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50618-99-0

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50618-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50618-99-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,1 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 50618-99:
(7*5)+(6*0)+(5*6)+(4*1)+(3*8)+(2*9)+(1*9)=120
120 % 10 = 0
So 50618-99-0 is a valid CAS Registry Number.

50618-99-0Relevant articles and documents

Solvent-free preparation of α,α-dichloroketones with sulfuryl chloride

Tu, Dewei,Luo, Juan,Jiang, Wengao,Tang, Qiang

, (2021/09/15)

An efficient and facile method is reported for the synthesis of a series of α,α-dichloroketones. The direct dichlorination of methyl ketones and 1,3-dicarbonyls using an excess amount of sulfuryl chloride affords the corresponding gem-dichloro compounds in moderate to excellent yields. Moreover, the protocol features high yields, broad substrate scope, and simple reaction conditions without using any catalysts and solvents.

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