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1630067-58-1

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1630067-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1630067-58-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,0,6 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1630067-58:
(9*1)+(8*6)+(7*3)+(6*0)+(5*0)+(4*6)+(3*7)+(2*5)+(1*8)=141
141 % 10 = 1
So 1630067-58-1 is a valid CAS Registry Number.

1630067-58-1Relevant articles and documents

A unified strategy for kainoid synthesis

Fujii, Masaya,Yokoshima, Satoshi,Fukuyama, Tohru

, p. 4823 - 4836 (2014/08/05)

A unified strategy for kainoid synthesis was developed. The key features of the strategy involve a Claisen-Ireland rearrangement to construct the contiguous stereogenic centers and a palladium-catalyzed formation of the pyrrolidine ring with complete stereoselectivity. The present protocol has enabled rapid access to a wide range of kainoids with diverse types of substituents (alkenyl, aryl, and alkyl groups) at the 4-position of the pyrrolidine ring, starting from the common intermediate and appropriate acetic acid derivatives. To test the generality of the strategy, we have accomplished the syntheses of kainic acid, o-methoxyphenyl derivative (MFPA), and a novel cyclopropyl derivative (CPKA), using 3-methylbut-3-enoic acid, 2-(2-methoxyphenyl)acetic acid, and 2-cyclopropylacetic acid, respectively.

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