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934273-32-2

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934273-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934273-32-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,2,7 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 934273-32:
(8*9)+(7*3)+(6*4)+(5*2)+(4*7)+(3*3)+(2*3)+(1*2)=172
172 % 10 = 2
So 934273-32-2 is a valid CAS Registry Number.

934273-32-2Downstream Products

934273-32-2Relevant articles and documents

One pot facile synthesis of 5-alkyl-1,2-dihydro-spiro[4H-3,1-benzoxazine-2, 3′[3H]indol]-4,2′-diones under microwave irradiation

Saxena, Anjali,Khanna, Pankaj,Bhagat, Sunita,Gupta, Archana,Jain, Subhash C.

, p. 1504 - 1510 (2007/10/03)

A facile synthesis of some novel 5-alkyl-1,2-dihydro-spiro[4H-3,1- benzoxazine-2,3′[3H]indol]-4,2′-diones, in high yields, has been carried out classically as well as under microwave irradiation in solvent free conditions. Microwave irradiation offers tremendous advantages in the form of shorter reaction time, operational simplicity, cleaner reaction, easy work-up and better yields as compared to the classical method. Besides this, some novel 6-alkylanthranilic acids required for the synthesis of new spiro compounds have also been synthesized. The importance of alkyl substituent at C-6 position in anthranilic acid has been recognized again in such a cyclocondensation reaction, even when it is carried out under microwave irradiation. This is also supported by molecular modeling.

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