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(2R,4R)-4-Methyl-2-(toluene-4-sulfonyloxy)-hex-5-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78019-25-7

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78019-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78019-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,1 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78019-25:
(7*7)+(6*8)+(5*0)+(4*1)+(3*9)+(2*2)+(1*5)=137
137 % 10 = 7
So 78019-25-7 is a valid CAS Registry Number.

78019-25-7Downstream Products

78019-25-7Relevant academic research and scientific papers

Stereospecific Syntheses of Both Diastereomers of (+/-)-2-Amino-4-methyl-5-hexenoic Acid.

Snider, Barry B.,Duncia, John V.

, p. 3223 - 3226 (1981)

Both diastereomers of 2-amino-4-methyl-5-hexenoic acid (7 and 16) have been synthesized stereospecifically from methyl (2R*,4S*)-2-bromo-4-methyl-5-hexenoate (1), the product of the EtAlCl2-catalyzed ene reaction of methyl α-bromoacrylate and trans-2-butene.This synthesis establishes the stereochemistry of the ene reaction and establishes that the amino isolated from a Streptomyces fermentation is 7.

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