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(2S,1'R)-Benzoesaeure<2-(1'-hydroxyaethyl)-5-methyl-4-hexenyl>ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81757-13-3

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81757-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81757-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,5 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81757-13:
(7*8)+(6*1)+(5*7)+(4*5)+(3*7)+(2*1)+(1*3)=143
143 % 10 = 3
So 81757-13-3 is a valid CAS Registry Number.

81757-13-3Relevant academic research and scientific papers

C45- and C50-Carotenoids, 1st Communication. Synthesis of (R)- and (S)-Lavandulol

Kramer, Andreas,Pfander, Hanspeter

, p. 293 - 301 (2007/10/02)

Starting with methyl (3R)-3-hydroxybutanoate ((R)-7) and ethyl (3S)-3-hydroxybutanoate ((S)-11), respectively, (R)- and (S)-lavandulol ((R)-1 and (S)-1) were synthesized with high optical purity.The synthesized key intermediates (R)-6 and (S)-6 are suitable compounds for the synthesis of optically active acyclic C45- and C50-carotenoids.

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