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1423157-09-8

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1423157-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1423157-09-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,1,5 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1423157-09:
(9*1)+(8*4)+(7*2)+(6*3)+(5*1)+(4*5)+(3*7)+(2*0)+(1*9)=128
128 % 10 = 8
So 1423157-09-8 is a valid CAS Registry Number.

1423157-09-8Downstream Products

1423157-09-8Relevant articles and documents

Efficient and stereoselective nitration of mono- and disubstituted olefins with AgNO2 and TEMPO

Maity, Soham,Manna, Srimanta,Rana, Sujoy,Naveen, Togati,Mallick, Arijit,Maiti, Debabrata

, p. 3355 - 3358 (2013/04/10)

Nitroolefin is a common and versatile reagent. Its synthesis from olefin is generally limited by the formation of mixture of cis and trans compounds. Here we report that silver nitrite (AgNO2) along with TEMPO can promote the regio- and stereoselective nitration of a broad range of olefins. This work discloses a new and efficient approach wherein starting from olefin, nitroalkane radical formation and subsequent transformations lead to the desired nitroolefin in a stereoselective manner.

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