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1439355-40-4

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1439355-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1439355-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,3,5 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1439355-40:
(9*1)+(8*4)+(7*3)+(6*9)+(5*3)+(4*5)+(3*5)+(2*4)+(1*0)=174
174 % 10 = 4
So 1439355-40-4 is a valid CAS Registry Number.

1439355-40-4Downstream Products

1439355-40-4Relevant academic research and scientific papers

Enantioselective total synthesis of (+)-brazilin, (-)-brazilein and (+)-brazilide A

Wang, Xuequan,Zhang, Hongbin,Yang, Xiaodong,Zhao, Jingfeng,Pan, Chengxue

, p. 5405 - 5407 (2013/06/27)

An enantioselective strategy for the synthesis of (+)-brazilin, (-)-brazilein and (+)-brazilide A has been developed. A Lewis acid mediated lactonization established the novel fused bis-lactone core of brazilide A and finalized the first total synthesis of (+)-brazilide A.

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