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106623-24-9

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106623-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106623-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,6,2 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106623-24:
(8*1)+(7*0)+(6*6)+(5*6)+(4*2)+(3*3)+(2*2)+(1*4)=99
99 % 10 = 9
So 106623-24-9 is a valid CAS Registry Number.

106623-24-9Relevant articles and documents

TOTAL SYNTHESIS OF ARTEANNUIN AND DEOXYARTEANNUIN

Xu Xing-Xiang,Zhu Jie,Huang Da-Zhong,Zhou Wei-Shan

, p. 819 - 828 (2007/10/02)

Arteannuin 1 is a new sesquiterpene lactone containing a peroxide linkage and is an antimalarial principle isolated from Artemisia annua L. .R(+)-Citronellal 5 as a starting material for the total synthesis was converted into 11R(-)-methyl dihydroarteannuinate 12 in 14 steps.The key intermediate 4 was obtained from compound 12 in 5 steps.The introduction of hydroperoxide in 4 by photooxidation followed by acid treatment gave 1.Hydroxylation of 4 with osmium tetraoxide afforded deoxyarteannuin 2.

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