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Isopropyl (11S)-6α,14-Dihydroxy-2,3-secoeudesma-1,3-dien-13-oate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67690-83-9

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67690-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67690-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,9 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67690-83:
(7*6)+(6*7)+(5*6)+(4*9)+(3*0)+(2*8)+(1*3)=169
169 % 10 = 9
So 67690-83-9 is a valid CAS Registry Number.

67690-83-9Relevant academic research and scientific papers

Studies on the Syntheses of Sesquiterpene Lactones. 8. Syntheses of Saussurea Lactone, 8-Deoxymelitensin, and 11,12-Dehydro-8-deoxymelitensin via a Novel Fragmentation Reaction

Ando, Masayoshi,Tajima, Kiyoshi,Takase, Kahei

, p. 1210 - 1216 (2007/10/02)

Saussurea lactone (4), 8-deoxymelitensin (18), and 11,12-dehydro-8-deoxymelitensin (23) have been synthesized from (11S)-1,1-(ethylenedioxy)eudesm-3-eno-13,6α-lactone (6) in ten steps, seven steps, and nine steps, respectively.The key step involves a nove

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