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103108-15-2

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103108-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103108-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,0 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103108-15:
(8*1)+(7*0)+(6*3)+(5*1)+(4*0)+(3*8)+(2*1)+(1*5)=62
62 % 10 = 2
So 103108-15-2 is a valid CAS Registry Number.

103108-15-2Downstream Products

103108-15-2Relevant articles and documents

DIASTEREOFACIAL SELECTIVITY VIA ALDOL REACTIONS USING ETHYL DITHIOACETATE AND ETHYL DITHIOPROPIONATE ENOLATES

Meyers, A. I.,Walkup, Robert D.

, p. 5089 - 5106 (2007/10/02)

The lithium enolate of ethyl dithioacetate reacts with α-methyl aldehydes to yield the aldol products in which the syn configuration in the positions β and γ to the thiocarbonyl of the product is favored over the anti configuration.This selectivity is solvent-dependent, and is enhanced at lower temperatures.In most cases, syn:anti product ratios obtained under these conditions varied from 57:43 to >99:1, depending upon the structure of the α-methyl aldehyde.When the lithium enolate of ethyl dithiopropionate was allowed to react with α-methyl aldehydes, only two out of the four possible diastereomers were detected in the product mixtures.

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