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19950-77-7

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19950-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19950-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19950-77:
(7*1)+(6*9)+(5*9)+(4*5)+(3*0)+(2*7)+(1*7)=147
147 % 10 = 7
So 19950-77-7 is a valid CAS Registry Number.

19950-77-7Relevant articles and documents

Manganese(II)/Picolinic Acid Catalyst System for Epoxidation of Olefins

Moretti, Ross A.,Du Bois,Stack, T. Daniel P.

supporting information, p. 2528 - 2531 (2016/07/06)

An in situ generated catalyst system based on Mn(CF3SO3)2, picolinic acid, and peracetic acid converts an extensive scope of olefins to their epoxides at 0 °C in 5 min, with remarkable oxidant efficiency and no evidence of radical behavior. Competition experiments indicate an electrophilic active oxidant, proposed to be a high-valent Mn = O species. Ligand exploration suggests a general ligand sphere motif contributes to effective oxidation. The method is underscored by its simplicity and use of inexpensive reagents to quickly access high value-added products.

Epoxidation of olefins at low temperature using m-chloroperbenzoic acid

Srinivasan,Chandrasekharam,Vani,Chida, A. Seema,Singh

, p. 1853 - 1858 (2007/10/03)

Epoxidation of olefins using m-chloroperbenzoic acid in dichloromethane without catalyst at low temperature is described.

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