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157007-74-4

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157007-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157007-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,0 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157007-74:
(8*1)+(7*5)+(6*7)+(5*0)+(4*0)+(3*7)+(2*7)+(1*4)=124
124 % 10 = 4
So 157007-74-4 is a valid CAS Registry Number.

157007-74-4Downstream Products

157007-74-4Relevant articles and documents

Highly diastereoselective addition of photochemically generated radicals to (5R)-(-)-menthyloxy-2[5H]-furanone - Synthesis of (-)-terebic acid

Hoffmann

, p. 879 - 886 (1994)

Photochemically generated ketyl and 2-dioxolanyl radicals are added with high diastereoselectivity (de > 95%) to (5R)-(-)-5-menthyloxy-2[5H]-furanone. This reaction is used for the asymmetric synthesis of (-)-terebic acid. The double bond is attacked by t

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Sasaki et al.

, p. 3582,3584 (1969)

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KINETIC RESOLUTION OF RACEMIC β,γ-EPOXY ESTERS WITH PIG LIVER ESTERASE (PLE, E.C. 3.1.1.1.)

Mohr, Peter,Roesslein, Lukas,Tamm, Christoph

, p. 2513 - 2516 (2007/10/02)

The β,γ-epoxy esters (+/-)-2 to (+/-)-6 were synthetisized.The E-values of kinetic resolution of 2, 3, 4, and 6 with PLE and the absolute configuration of the products of the hydrolysis were determined by the conversion to known compounds.

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