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93913-66-7

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93913-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93913-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,1 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 93913-66:
(7*9)+(6*3)+(5*9)+(4*1)+(3*3)+(2*6)+(1*6)=157
157 % 10 = 7
So 93913-66-7 is a valid CAS Registry Number.

93913-66-7Downstream Products

93913-66-7Relevant articles and documents

TOTAL SYNTHESIS OF ARTEANNUIN AND DEOXYARTEANNUIN

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

, p. 819 - 828 (1986)

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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