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1239843-02-7

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1239843-02-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239843-02-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,4 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1239843-02:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*4)+(3*3)+(2*0)+(1*2)=167
167 % 10 = 7
So 1239843-02-7 is a valid CAS Registry Number.

1239843-02-7Downstream Products

1239843-02-7Relevant articles and documents

A convenient and mild method for 1,2,4-oxadiazole preparation: Cyclodehydration of O-acylamidoximes in the superbase system MOH/DMSO

Baykov, Sergey,Sharonova, Tatyana,Osipyan, Angelina,Rozhkov, Sergey,Shetnev, Anton,Smirnov, Alexey

supporting information, p. 2898 - 2900 (2016/06/14)

Herein, we reported a general, convenient, and efficient synthesis of 3,5-disubstituted-1,2,4-oxadiazoles via cyclodehydration of O-acylamidoximes in the superbase system MOH/DMSO (M = Li, Na, K). Excellent isolated yields (up to 98%) were attained within

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