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1334225-12-5

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1334225-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334225-12-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,2,2 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1334225-12:
(9*1)+(8*3)+(7*3)+(6*4)+(5*2)+(4*2)+(3*5)+(2*1)+(1*2)=115
115 % 10 = 5
So 1334225-12-5 is a valid CAS Registry Number.

1334225-12-5Downstream Products

1334225-12-5Relevant articles and documents

Palladium-catalyzed regioselective aerobic oxidative C-H/N-H carbonylation of heteroarenes under base-free conditions

Zhang, Hua,Liu, Dong,Chen, Caiyou,Liu, Chao,Lei, Aiwen

supporting information; experimental part, p. 9581 - 9585 (2011/10/02)

Clearing the air! By using a balloon pressure of CO, the direct oxidative carbonylation of various heteroarenes with different alcohols was achieved in good to high yields with air as the oxidant in the presence of PdCl 2(PPh3)2 (see scheme). Notably, this transformation was carried out under base-free conditions. The reaction showed remarkably high regioselectivity and presents an environmentally benign protocol for the synthesis of carboxylic acid derivatives.

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