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19-13C-β-ionol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87355-43-9

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87355-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87355-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,5 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87355-43:
(7*8)+(6*7)+(5*3)+(4*5)+(3*5)+(2*4)+(1*3)=159
159 % 10 = 9
So 87355-43-9 is a valid CAS Registry Number.

87355-43-9Relevant academic research and scientific papers

Synthesis of 10-, 11-, 19- and 20-mono-13C-retinal

Pardoen, J. A.,Neijenesch, H. N.,Mulder, P. P. J.,Lugtenburg, J.

, p. 341 - 347 (2007/10/02)

The 10-, 11-, 19- and 20-mono-13C-all-trans-retinals were synthesized with >98percent chemical purity and 92percent 13C incorporation from 13C-labelled acetonitrile and 13C-labelled methyl iodide.Their 13C-13C and 13C-1H NMR coupling constants were measur

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