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112775-40-3

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112775-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112775-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,7,7 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 112775-40:
(8*1)+(7*1)+(6*2)+(5*7)+(4*7)+(3*5)+(2*4)+(1*0)=113
113 % 10 = 3
So 112775-40-3 is a valid CAS Registry Number.

112775-40-3Downstream Products

112775-40-3Relevant articles and documents

STEREOCONTROLLED TOTAL SYNTHESIS OF THE MACROCYCLIC LACTONE (-)-ASPICILIN

Waanders, P.P.,Thijs, L.,Zwanenburg, B.

, p. 2409 - 2412 (2007/10/02)

The essential features of the enantiocontrolled total synthesis of (-)-aspicilin are the strategic use of the photochemical rearrangement of α,β-epoxy diazomethyl ketones to 4-hydroxyalkenoates (Scheme 1) and the stereochemical control of the Sharpless epoxidation, α,ο functionalization of an alkynol using potassium 3-aminopropylamine (KAPA) as acetylene zipper, coupling between C7 and C8 by means of a Wittig reaction and lactonization by using 2,6-dichlorobenzoyl chloride.

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