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878626-72-3

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878626-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 878626-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,8,6,2 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 878626-72:
(8*8)+(7*7)+(6*8)+(5*6)+(4*2)+(3*6)+(2*7)+(1*2)=233
233 % 10 = 3
So 878626-72-3 is a valid CAS Registry Number.

878626-72-3Upstream product

878626-72-3Relevant articles and documents

Total synthesis of apratoxin A and B using Matteson's homologation approach

Andler, Oliver,Kazmaier, Uli

, p. 4866 - 4870 (2021/06/16)

Apratoxin A and B, two members of an interesting class of marine cyclodepsipeptides are synthesized in a straightforward mannerviaMatteson homologation. Starting from a chiral boronic ester, the polyketide fragment of the apratoxins was obtainedviafive su

Total synthesis of apratoxin A

Doi, Takayuki,Numajiri, Yoshitaka,Munakata, Asami,Takahashi, Takashi

, p. 531 - 534 (2007/10/03)

We have achieved a total synthesis of apratoxin A in which thiazoline formation was accomplished from the moCys containing amide 4 using PPh 3(O)/Tf2O. Deprotection of the Troc and allyl ester in 17, coupling with tripeptide 3, and d

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