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109943-57-9

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109943-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109943-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,4 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109943-57:
(8*1)+(7*0)+(6*9)+(5*9)+(4*4)+(3*3)+(2*5)+(1*7)=149
149 % 10 = 9
So 109943-57-9 is a valid CAS Registry Number.

109943-57-9Downstream Products

109943-57-9Relevant articles and documents

7,8,9,10-Tetrahydropyrrolo[2,1-a]isoquinolines in the search for new indolizine derivatives

Caira, Mino R.,Popa, Marcel Mirel,Draghici, Constantin,Barbu, Loredana,Dumitrescu, Denisa,Dumitrascu, Florea

, p. 5635 - 5638 (2014)

7,8,9,10-Tetrahydropyrrolo[2,1-a]isoquinolines were obtained by 1,3-dipolar cycloaddition reactions of their corresponding N-ylides with olefinic (acrylonitrile) and symmetrical or non-symmetrical acetylenic dipolarophiles (methyl/ethyl propiolate, dimeth

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