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1312943-79-5

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1312943-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312943-79-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,9,4 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1312943-79:
(9*1)+(8*3)+(7*1)+(6*2)+(5*9)+(4*4)+(3*3)+(2*7)+(1*9)=145
145 % 10 = 5
So 1312943-79-5 is a valid CAS Registry Number.

1312943-79-5Downstream Products

1312943-79-5Relevant academic research and scientific papers

First total synthesis of tenuifolin via PIFA mediated oxidative biaryl coupling

Tang, Changhua,Li, Ziyuan,Wang, Yiyun,Xu, Jinyi,Kong, Lingyi,Yao, Hequan,Wu, Xiaoming

, p. 3275 - 3278 (2011/07/08)

The first total synthesis of a sesquiterpenoid, tenuifolin, was achieved in seven linear steps. Phenyliodine(III) bis(trifluoacetate) (PIFA) mediated oxidative biaryl coupling was employed as a key step to construct the central seven-membered ring with a double bond. The double bond formation was also exploited.

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