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1240507-88-3

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1240507-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240507-88-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,5,0 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240507-88:
(9*1)+(8*2)+(7*4)+(6*0)+(5*5)+(4*0)+(3*7)+(2*8)+(1*8)=123
123 % 10 = 3
So 1240507-88-3 is a valid CAS Registry Number.

1240507-88-3Downstream Products

1240507-88-3Relevant articles and documents

Scalable solution-phase synthesis of the biologically active cyclodepsipeptide destruxin E, a potent negative regulator of osteoclast morphology

Yoshida, Masahito,Sato, Hiroshi,Ishida, Yoshitaka,Nakagawa, Hiroshi,Doi, Takayuki

, p. 296 - 306 (2014)

The scalable solution-phase synthesis of the cyclodepsipeptide destruxin E (1) has been achieved. Diastereoselective dihydroxylation of the terminal alkene in a 2-alkoxy-4-pentenoic amide, 7, was successfully accomplished utilizing (DHQD)2PHAL

Synthesis, structure determination, and biological evaluation of destruxin e

Yoshida, Masahito,Takeuchi, Hisayuki,Ishida, Yoshitaka,Yashiroda, Yoko,Yoshida, Minoru,Takagi, Motoki,Shin-Ya, Kazuo,Doi, Takayuki

supporting information; experimental part, p. 3792 - 3795 (2010/11/05)

The total synthesis of destruxin E (1) has been achieved for the first time, and the stereochemistry of its chiral center at the epoxide has been determined to be (S). The cyclization precursor 3a was synthesized by solid-phase peptide synthesis. Macrolac

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