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C19H20O5Se is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

116757-36-9

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116757-36-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116757-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,5 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 116757-36:
(8*1)+(7*1)+(6*6)+(5*7)+(4*5)+(3*7)+(2*3)+(1*6)=139
139 % 10 = 9
So 116757-36-9 is a valid CAS Registry Number.

116757-36-9Downstream Products

116757-36-9Relevant academic research and scientific papers

Synthesis of Precursors Suitable for Pyrolytic Fragmentation to Pentatetraenone

Brown, Roger F. C.,Coulston, Karen J.,Eastwood, Frank W.,Hill, Martin P.

, p. 215 - 224 (2007/10/02)

Reaction of 2-phenylselenopropanoyl chloride with methyl (triphenylphosphoranylidene)ethanoate yielded methyl 4-phenylselenopenta-2,3-dienoate (3).Distillation of the ester (3) gave dimethyl (E,E)-3',4'-dimethylcyclobut-3'-ene-1',2'-diylidenebisethanoate

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