Cas 137629-03-9,Propanoic acid, 2-methoxy-3-[(4-methoxyphenyl)amino]-2-methyl-3-oxo-

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Check Digit Verification of cas no

The CAS Registry Mumber 137629-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,2 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137629-03:
(8*1)+(7*3)+(6*7)+(5*6)+(4*2)+(3*9)+(2*0)+(1*3)=139
139 % 10 = 9
So 137629-03-9 is a valid CAS Registry Number.

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137629-03-9Relevant academic research and scientific papers

Chromium-Carbene-Mediated Synthesis of 4-Oxo β-Lactams (Malonimides) and Malonic Acid Derivatives

Alcaide, Benito,Dominguez, Gema,Plumet, Joaquin,Sierra, Miguel A.

, p. 447 - 451 (2007/10/02)

The photochemical reaction of chromium carbene (Fisher) complexes and readily available iminodithiocarbonates forms 4,4-bis(methylthio) β-lactams in good to excellent yields, and upon N-bromosuccinimide oxidation, these afford 4-oxo β-lactams (malonimides

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