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443303-78-4

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443303-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443303-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,3,0 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 443303-78:
(8*4)+(7*4)+(6*3)+(5*3)+(4*0)+(3*3)+(2*7)+(1*8)=124
124 % 10 = 4
So 443303-78-4 is a valid CAS Registry Number.

443303-78-4Relevant articles and documents

Novel palladium-catalyzed synthesis of 1,2-dihydro-4(3H)-carbazolones

Scott, Tricia L.,S?derberg, Bj?rn C.G.

, p. 1621 - 1624 (2002)

Two sequential palladium-catalyzed reactions are the key steps in a novel synthetic route to carbazolones, an intermolecular Stille coupling followed by a recently developed palladium-catalyzed reductive N-heteroannulation. A number of functionalized 1,2-dihydro-4(3H)-carbazolones were prepared using this sequence.

Palladium-catalyzed synthesis of 1,2-dihydro-4(3H)-carbazolones. Formal total synthesis of murrayaquinone A

Scott, Tricia L.,S?derberg, Bj?rn C. G.

, p. 6323 - 6332 (2007/10/03)

Two sequential palladium-catalyzed reactions are the key steps in a novel synthetic route to 1,2-dihydro-4(3H)-carbazolones. The steps are an intermolecular Stille cross-coupling followed by a reductive N-heteroannulation. A formal total synthesis of murrayaquinone A, employing this sequence, is reported.

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