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1134193-44-4

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1134193-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1134193-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,1,9 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1134193-44:
(9*1)+(8*1)+(7*3)+(6*4)+(5*1)+(4*9)+(3*3)+(2*4)+(1*4)=124
124 % 10 = 4
So 1134193-44-4 is a valid CAS Registry Number.

1134193-44-4Downstream Products

1134193-44-4Relevant articles and documents

Pd-catalysed one-pot synthesis of 2H-1,4-benzoxazin-3-(4H)-ones from o-halophenols and 2-chloroacetamides

Yin, Fangling,Feng, Gaofeng,Song, Qingbao,Qi, Chenze

experimental part, p. 41 - 44 (2012/04/04)

A Pd-catalysed cascade protocol, consisting of intermolecular O-alkylation and spontaneous intramolecular amidation, has been established for efficient synthesis of 2H-1,4-benzoxazin-3-(4H)-ones from o-halophenols and 2-chloroacetamides. A varity of substrates afford the desired products in good to excellent yields. It is particularly attractive for synthesis of a library of 2H-1,4-benzoxazin-3-(4H)-ones.

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