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11-formyl-3,7,15,19,23,27-hexamethyloctaeicosa-2Z,6Z,10E,14E,18E,22E,26-hepten-1-ol benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89503-39-9

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89503-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89503-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89503-39:
(7*8)+(6*9)+(5*5)+(4*0)+(3*3)+(2*3)+(1*9)=159
159 % 10 = 9
So 89503-39-9 is a valid CAS Registry Number.

89503-39-9Relevant academic research and scientific papers

NOVEL APPROACH TO THE STEREOSELECTIVE SYNTHESIS OF POLYPRENOLS VIA DIRECTED ALDOL CONDENSATION. PREPARATION OF HEPTAPRENOLS ωtttcccOH AND ωtttcctOH.

Grigorieva, N. Ya.,Avrutov, I. M.,Semenovsky, A. V.

, p. 5531 - 5534 (2007/10/02)

New convenient and stereoselective route to linear isoprenoids including the construction of Z-trisubstituted double bond is elaborated based on directed aldol condensation.

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