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phosphoric acid diethyl ester (R)-2-iodo-4,4-dimethylcyclohex-2-enyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

725739-83-3

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725739-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 725739-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,7,3 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 725739-83:
(8*7)+(7*2)+(6*5)+(5*7)+(4*3)+(3*9)+(2*8)+(1*3)=193
193 % 10 = 3
So 725739-83-3 is a valid CAS Registry Number.

725739-83-3Relevant articles and documents

Enantioselective synthesis of α-ionone derivatives using an anti SN2′ substitution of functionalized zinc organometallics

Soorukram, Darunee,Knochel, Paul

, p. 2409 - 2411 (2007/10/03)

(Equation Presented) The allylic substitution of sterically hindered (2-iodocycloalkyl)phosphates proceeds with complete anti SN2′ stereoselectivity with mixed diorganozincs of the type RZnCH 2SiMe3 in the presence of CuCN·2LiCI. Only the group R of the copper-zinc reagent is transferred in the allylic substitution. This method was used to prepare odoriferous substances such as (R)-α-ionone in 97% ee and (R)-dihydro-α-ionone in 98% ee.

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