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Phosphorane, (4-azidobutylidene)triphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139499-27-7

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139499-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139499-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,9 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139499-27:
(8*1)+(7*3)+(6*9)+(5*4)+(4*9)+(3*9)+(2*2)+(1*7)=177
177 % 10 = 7
So 139499-27-7 is a valid CAS Registry Number.

139499-27-7Relevant academic research and scientific papers

Stereospecific synthesis of Z olefins bearing an ω-azido group.

Chhen, A.,Vaultier, M.,Carrie, R.

, p. 4953 - 4956 (2007/10/02)

Ylides derived from ω-azidoalkyltriphenylphosphonium salts were generated at low temperature.They are stable at -80 deg C for several hours and react smoothly and stereospecifically with typical aldehydes to form Z-ω-azido olefins which are the precursors of ω-unsaturated primary and secondary amines.

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