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1253596-90-5

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1253596-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253596-90-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,5,9 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1253596-90:
(9*1)+(8*2)+(7*5)+(6*3)+(5*5)+(4*9)+(3*6)+(2*9)+(1*0)=175
175 % 10 = 5
So 1253596-90-5 is a valid CAS Registry Number.

1253596-90-5Relevant articles and documents

Carboxylation of alkylboranes by N-heterocyclic carbene copper catalysts: Synthesis of carboxylic acids from terminal alkenes and carbon dioxide

Ohishi, Takeshi,Zhang, Liang,Nishiura, Masayoshi,Hou, Zhaomin

supporting information; experimental part, p. 8114 - 8117 (2011/10/18)

Caught in the act: N-Heterocyclic carbene copper(I) complexes (1; IPr=1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) serve as an excellent catalyst for the carboxylation of alkylboranes (2; R=alkyl) with CO2 to afford a variety of functionalized carboxylic acids (3) in high yields. A novel copper methoxide/alkylborane adduct (A) and its subsequent CO2 insertion product (B) have been isolated and shown to be true active catalyst species.

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