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1219278-10-0

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1219278-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219278-10-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,2,7 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1219278-10:
(9*1)+(8*2)+(7*1)+(6*9)+(5*2)+(4*7)+(3*8)+(2*1)+(1*0)=150
150 % 10 = 0
So 1219278-10-0 is a valid CAS Registry Number.

1219278-10-0Relevant articles and documents

Traceless approach for the synthesis of 3,5-disubstituted thiohydantoins on functionalized ionic-liquid support

Yao, Chao,Zhang, Yandong,Zhang, Guolin,Chen, Wenteng,Yu, Yongping,Houghten, Richard A.

, p. 717 - 724 (2011/03/19)

A traceless approach for the synthesis of 3,5-disubstituted thiohydantoins on a novel functionalized ionic-liquid support, 5, is described. Acylation of benzylamine functionalized ionic-liquid support with amino acids yielded ionic-liquid-supported amino acids, which reacted with isothiocyanates to afford ionic-liquid-supported thioureas. Following intramolecular cyclization cleavage from the ionic-liquid support by trifluoroacetic acid (TFA), the desired 3,5-disubstituted thiohydantoins were obtained in good yields and purities. The efficiency of this ionic-liquid-phase strategy facilitated isolation and analysis of intermediates and removal of excess reagents and by-products during the reaction process.

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