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308359-16-2

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308359-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 308359-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,3,5 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 308359-16:
(8*3)+(7*0)+(6*8)+(5*3)+(4*5)+(3*9)+(2*1)+(1*6)=142
142 % 10 = 2
So 308359-16-2 is a valid CAS Registry Number.

308359-16-2Downstream Products

308359-16-2Relevant articles and documents

Preparation method and intermediate of trabectedin

-

, (2018/01/13)

The invention provides a novel preparation method for trabectedin. According to the method, safracin B is used as a starting raw material and undergoes a series of reactions to synthesize trabectedin. The raw material used in the method is easily available; the method is few in synthesis steps; a highly toxic organotin reagent is not used in the method, so the method is safe and low in cost; and the method has good industrial application value.

Synthesis of ecteinascidin 743 analogues from cyanosafracin B: Isolation of a kinetically stable quinoneimine tautomer of a 5-hydroxyindole

Ceballos, Plácido A.,Pérez, Marta,Cuevas, Carmen,Francesch, Andrés,Manzanares, Ignacio,Echavarren, Antonio M.

, p. 1926 - 1933 (2007/10/03)

Phthalimido derivatives of cyanosafracin B have been synthesized as analogues of the antitumor agent ecteinascidin 743. As part of this study, a quinoneimine has been prepared, which is a kinetically stable tautomer of a 5-hydroxyindole. This quinoneimine tautomer is stable under acidic and mild basic conditions. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.

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