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1142954-83-3

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1142954-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1142954-83-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,9,5 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1142954-83:
(9*1)+(8*1)+(7*4)+(6*2)+(5*9)+(4*5)+(3*4)+(2*8)+(1*3)=153
153 % 10 = 3
So 1142954-83-3 is a valid CAS Registry Number.

1142954-83-3Relevant articles and documents

Synthesis of the pyrrolo[2,3-c]carbazole core of the dictyodendrins

Ayats, Carles,Soley, Roger,Albericio, Fernando,Alvarez, Mercedes

, p. 860 - 862 (2009/05/30)

The pyrrolo[2,3-c]carbazole 1, the common core of the marine alkaloids known as the dictyodendrins, has been synthesised. The sequence is based on a Suzuki cross-coupling reaction between the pyrrole fragment 2 and the indole fragment 3, followed by tandem photochemical 6π-electrocyclisation/ aromatisation.

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