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850940-44-2

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850940-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850940-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,9,4 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 850940-44:
(8*8)+(7*5)+(6*0)+(5*9)+(4*4)+(3*0)+(2*4)+(1*4)=172
172 % 10 = 2
So 850940-44-2 is a valid CAS Registry Number.

850940-44-2Downstream Products

850940-44-2Relevant academic research and scientific papers

Synthesis of 9-allyl-10-hydroxycamptothecin via Suzuki reaction

Luo, Yu,Yu, Shanbao,Huang, Qingqing,Lu, Wei

, p. 1133 - 1136 (2014)

A facile and eco-friendly approach for synthesizing 9-allyl-10- hydroxycamptothecin (2), a key intermediate for the preparation of camptothecin analogs, is described. The product was obtained in good yield and high purity (≥99% HPLC) under mild Suzuki reaction condition.

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