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1439388-07-4

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1439388-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1439388-07-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,3,8 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1439388-07:
(9*1)+(8*4)+(7*3)+(6*9)+(5*3)+(4*8)+(3*8)+(2*0)+(1*7)=194
194 % 10 = 4
So 1439388-07-4 is a valid CAS Registry Number.

1439388-07-4Downstream Products

1439388-07-4Relevant articles and documents

A new [2+2+1] heterocyclization for the synthesis of 2,3,5-trisubstituted thiophenes under microwave irradiation

Xu, Hai-Wei,Ma, Guan-Hua,Jiang, Bo,Tu, Shu-Jiang

, p. 3392 - 3398 (2014/01/06)

A new three-component strategy for the efficient synthesis of 2,3,5-trisubstituted thiophene derivatives through a [2+2+1] heterocyclization between 3-(2-aryl-2-oxoethylidene)-2-oxindoles and α-thiocyanato ketones under microwave irradiation is described.

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