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1053247-83-8

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1053247-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1053247-83-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,3,2,4 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1053247-83:
(9*1)+(8*0)+(7*5)+(6*3)+(5*2)+(4*4)+(3*7)+(2*8)+(1*3)=128
128 % 10 = 8
So 1053247-83-8 is a valid CAS Registry Number.

1053247-83-8Relevant articles and documents

Total syntheses and biological investigations of tamandarins A and B and tamandarin A analog

Liang,Richard,Portonovo,Joullie

, p. 4469 - 4474 (2007/10/03)

Tamandarins A (1) and B (2), two natural products similar in structure to didemnin B (3), were recently isolated from a Brazilian marine ascidian of the family Didemnidae. The cytotoxicity of 1 was reported to be somewhat more potent in vitro than that of 3 against various human cancer cell lines. The present account describes the first total syntheses of 1 and 2, and the syntheses of tamandarin A side chain analogues. The cytotoxicity data for these compounds show that the side chain modifications exhibit a parallel effect for both didemnins and tamandarins. This observation supports tamandarins' role as didemnins' mimic.

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