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120899-43-6

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120899-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120899-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,9 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120899-43:
(8*1)+(7*2)+(6*0)+(5*8)+(4*9)+(3*9)+(2*4)+(1*3)=136
136 % 10 = 6
So 120899-43-6 is a valid CAS Registry Number.

120899-43-6Relevant academic research and scientific papers

5-Demethylretinal and its 5-(2)H, 7-(2)H and 5,7-(2)H2 isotopomers. Synthesis, photochemistry and spectroscopy

Spijker-Assink, M. B.,Winkel, C.,Baldwin, G. S.,Lugtenburg, J.

, p. 125 - 131 (2007/10/02)

All-trans-5-demethylretinal and its 5-(2)H, 7-(2)H and 5,7-(2)H2 isotopomers have been synthesized by means of a new and simple scheme.Using photochemistry, the 9-, 11- and 13-cis, as well as the 9,13- and 11,13-di-cis-isomers, were obtained.The structure

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