Cas 138445-33-7,Propanal, 3-azido-2-methyl-2-(phenylseleno)-

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Check Digit Verification of cas no

The CAS Registry Mumber 138445-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,4 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138445-33:
(8*1)+(7*3)+(6*8)+(5*4)+(4*4)+(3*5)+(2*3)+(1*3)=137
137 % 10 = 7
So 138445-33-7 is a valid CAS Registry Number.

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138445-33-7Relevant academic research and scientific papers

Phenylselenoazidation of Conjugated Enals. Allylic Rearrangement of 2-Alkylidene-3-azidopropanals and Propionic Acids

Huot, Jean-Francois,Outurquin, Francis,Paulmier, Claude

, p. 1957 - 1960 (1991)

β-Azido α-phenylseleno aldehydes were isolated as adducts of PhSeN3 on conjugated enals bearing an α-alkyl substituent.Their oxidation leads to 2-alkylidene-3-azido propanals and propionic acids.An allylic rearrangement of the azido group was observed.

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