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1370049-51-6

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1370049-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1370049-51-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,0,0,4 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1370049-51:
(9*1)+(8*3)+(7*7)+(6*0)+(5*0)+(4*4)+(3*9)+(2*5)+(1*1)=136
136 % 10 = 6
So 1370049-51-6 is a valid CAS Registry Number.

1370049-51-6Downstream Products

1370049-51-6Relevant articles and documents

Stereoselective synthesis of hydroxy stilbenoids and styrenes by atom-efficient olefination with thiophthalides

Mitra, Prithiba,Shome, Brateen,Ranjan De, Saroj,Sarkar, Anindya,Mal, Dipakranjan

, p. 2742 - 2752 (2012/11/07)

The synthesis of stilbenoids and styryl carboxylic acids is accomplished with high E-stereoselectivity by olefination of aldehydes with thiophthalides under basic conditions. The olefination is highly atom-efficient as it only loses elemental sulfur during the reaction. This olefination, in conjunction with retro Kolbe-Schmitt reaction, allows facile synthesis of E-hydroxystilbenoids with minimal employment of protecting groups. This study also discloses two important findings: formation of i) 4-methylsulfanyl isocoumarins and ii) an 2-arylindenone. The Royal Society of Chemistry 2012.

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