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3-[5-(2,4-dibromo-5-hydroxyphenyl)-5-methoxypentan-2-yl]-13-hydroxy-9-(1-hydroxyethyl)-4,14,16,16-tetramethyl-2,6,10,17-tetraoxatricyclo[11.3.1.1~1,5~]octadecane-7,11-dione (non-preferred name) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

66648-18-8

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66648-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66648-18-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66648-18:
(7*6)+(6*6)+(5*6)+(4*4)+(3*8)+(2*1)+(1*8)=158
158 % 10 = 8
So 66648-18-8 is a valid CAS Registry Number.

66648-18-8Upstream product

66648-18-8Downstream Products

66648-18-8Relevant academic research and scientific papers

Absolute Stereochemistries of the Aplysiatoxins and Oscillatoxin A

Moore, Richard E.,Blackman, Adrian J.,Cheuk, Chad E.,Mynderse, Jon S.,Matsumoto, Gayle K.,et al.

, p. 2484 - 2489 (2007/10/02)

Optical and proton NMR spectral studies of the aplysiatoxins and derivatives, degradation products of the toxins and an X-ray crystallographic analysis of 19,21-dibromoaplysiatoxin show that the absolute configurations of the ten asymmetric carbons are 3S,4R,7S,9S,10S,11R,12S,15S,29R,30R.The 31-nor compound, oscillatoxin A, has the same absolute stereochemistry at C(3), C(4), C(7), C(9), C(10), C(11), C(12), C(15), and C(29).

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