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1255385-89-7

1255385-89-7

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1255385-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1255385-89-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,3,8 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1255385-89:
(9*1)+(8*2)+(7*5)+(6*5)+(5*3)+(4*8)+(3*5)+(2*8)+(1*9)=177
177 % 10 = 7
So 1255385-89-7 is a valid CAS Registry Number.

1255385-89-7Upstream product

1255385-89-7Downstream Products

1255385-89-7Relevant articles and documents

The first total synthesis of lactonamycin, a hexacyclic antitumor antibiotic

Tatsuta, Kuniaki,Tanaka, Hiroaki,Tsukagoshi, Hitomi,Kashima, Takafumi,Hosokawa, Seijiro

, p. 5546 - 5549 (2010)

The total synthesis of lactonamycin has been achieved. The synthesis includes sequential intramolecular conjugate addition of alcohols to the acetylenic ester, stereoselective glycosylation of the tertiary alcohol, and Michael-Dieckmann type cyclization w

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