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1392493-01-4

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1392493-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1392493-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,2,4,9 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1392493-01:
(9*1)+(8*3)+(7*9)+(6*2)+(5*4)+(4*9)+(3*3)+(2*0)+(1*1)=174
174 % 10 = 4
So 1392493-01-4 is a valid CAS Registry Number.

1392493-01-4Downstream Products

1392493-01-4Relevant articles and documents

One-pot, two-step conversion of aldehydes to phosphonyl- and sulfonylpyrazoles using Bestmann-Ohira reagent

Kumar, Rahul,Verma, Deepti,Mobin, Shaikh M.,Namboothiri, Irishi N. N.

, p. 4070 - 4073 (2012)

A one-pot, two-step, three-component method for the conversion of commercially available aldehydes to phosphonylpyrazoles has been developed, demonstrating, for the first time, the dual reactivity of the Bestmann-Ohira reagent (BOR) in a single-pot transformation. This method, extended to the synthesis of sulfonylpyrazoles by employing BOR in the first step and a diazomethyl sulfone in the second step, is complementary, with regard to regioselectivity, to the previous methods for the synthesis of such functionalized pyrazoles.

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