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58950-88-2

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58950-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58950-88-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,5 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 58950-88:
(7*5)+(6*8)+(5*9)+(4*5)+(3*0)+(2*8)+(1*8)=172
172 % 10 = 2
So 58950-88-2 is a valid CAS Registry Number.

58950-88-2Upstream product

58950-88-2Downstream Products

58950-88-2Relevant articles and documents

One-pot three-component reactions of methyl ketones, phenols and a nucleophile: An expedient way to synthesize densely substituted benzofurans

Cheng, Cheng,Liu, Changhui,Gu, Yanlong

, p. 8009 - 8017 (2015)

Three-component reactions of phenylglyoxal monohydrate, phenols, and indoles were developed with the aid of acid-catalyst, which produced various densely substituted benzofurans with good to excellent yields. On the basis of this observation, a one-pot, step-wise reaction was developed by using methyl ketones instead of using phenylglyoxal component in I2/DMSO system. At last, three-component reaction offered a useful way to synthesize densely substituted benzofurans starting from simple and easily available substrates. The indole component can be replaced by some other nucleophiles, such as 1,2,4-trimethoxybenzene and thiophenol.

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