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1278520-08-3

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1278520-08-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1278520-08-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,8,5,2 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1278520-08:
(9*1)+(8*2)+(7*7)+(6*8)+(5*5)+(4*2)+(3*0)+(2*0)+(1*8)=163
163 % 10 = 3
So 1278520-08-3 is a valid CAS Registry Number.

1278520-08-3Upstream product

1278520-08-3Downstream Products

1278520-08-3Relevant academic research and scientific papers

Stereoselective synthesis of resorcylic acid lactone Cochliomycin B

Nagalatha,Siva Ganesh,Venkat Narsaiah

, (2021/09/22)

The total synthesis of 14-membered resorcylic acid lactone, Cochliomycin B has prescribed, in a convergent manner, from readily available starting materials, D-galactose, L-aspartic acid and ethyl acetoacetate. The key reactions involved in the synthesis are Julia-Kocienski olefination, E-selective Horner-Wadsworth-Emmons olefination and intramolecular lactonization.

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