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1422189-08-9

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1422189-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422189-08-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,1,8 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1422189-08:
(9*1)+(8*4)+(7*2)+(6*2)+(5*1)+(4*8)+(3*9)+(2*0)+(1*8)=139
139 % 10 = 9
So 1422189-08-9 is a valid CAS Registry Number.

1422189-08-9Downstream Products

1422189-08-9Relevant academic research and scientific papers

Synthesis of allene ferrocenes through CuI-mediated Crabbe homologation reaction

Chen, Shufeng,Wang, Binglong,Yan, Qing,Shi, Jinxiang,Zhao, Haiying,Li, Baoguo

, p. 1758 - 1762 (2013/03/13)

A concise and efficient method for the synthesis of bifunctional allene ferrocenes based on the modified Crabbe homologation reaction of ferrocenylacetylenes with paraformaldehyde promoted by CuI was developed. The presented synthesis proceeded readily with high compatibility of sensitive functional groups on the cyclopentadiene ring providing good to excellent yields of the desired products.

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