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41457-34-5

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41457-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41457-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,4,5 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 41457-34:
(7*4)+(6*1)+(5*4)+(4*5)+(3*7)+(2*3)+(1*4)=105
105 % 10 = 5
So 41457-34-5 is a valid CAS Registry Number.

41457-34-5Relevant articles and documents

Montmorillonite K10 catalyzed highly regioselective azidolysis of epoxides: A short and efficient synthesis of phenylglycine

Ch Ghosh, Keshab,Banerjee, Isita,Sinha, Surajit

, p. 2923 - 2934 (2018)

A series of β‐hydroxyazides were effectively synthesized from the regioselective ring opening of epoxides by sodium azide using montmorillonite K10 as a novel heterogeneous catalyst in aqueous acetonitrile in good to excellent yields. The utility of this method has been demonstrated by achieving a short synthesis of phenylglycine in 33.5% overall yield.

Regioselective ring-opening of epoxides by carbazole: A direct preparation of novel N-(β-hydroxyalkyl)carbazoles

Soltani Rad, Mohammad Navid,Behrouz, Somayeh,Ahrari, Samira

, p. 137 - 140 (2016/04/20)

The influence of various parameters including solvent, base and temperature on the reaction between carbazole and epoxides was studied This led to the development of a regioselective ring-opening of epoxides by the potassium salt of carbazole in DMSO at 100 °C which is a straightforward way to prepare new N-(β-hydroxyalkyl)carbazoles in good to excellent yields. Fifteen new compounds are described.

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