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1515606-23-1

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1515606-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1515606-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,1,5,6,0 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1515606-23:
(9*1)+(8*5)+(7*1)+(6*5)+(5*6)+(4*0)+(3*6)+(2*2)+(1*3)=141
141 % 10 = 1
So 1515606-23-1 is a valid CAS Registry Number.

1515606-23-1Relevant articles and documents

Total synthesis of sandramycin and its analogues via a multicomponent assemblage

Katayama, Katsushi,Nakagawa, Koji,Takeda, Hiroshi,Matsuda, Akira,Ichikawa, Satoshi

, p. 428 - 431 (2014/04/03)

The total synthesis of sandramycin has been accomplished by using a Staudinger/aza-Wittig/diastereoselective Ugi three-component reaction sequence as a key step to obtain a linear pentadepsipeptide. Subsequent [5 + 5] coupling of the penptapeptide, macrolactamization, and introduction of the quinaldin chromophores afforded sandramycin. Dihydroxy and diacetoxy analogues were also prepared, and the cytotoxic activity of these analogues against a range of human cancer cell lines was evaluated.

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