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857576-77-3

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857576-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857576-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,7 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 857576-77:
(8*8)+(7*5)+(6*7)+(5*5)+(4*7)+(3*6)+(2*7)+(1*7)=233
233 % 10 = 3
So 857576-77-3 is a valid CAS Registry Number.

857576-77-3Relevant articles and documents

Structure-activity relationships of antimalarial indoloquinolines

Werbel, L. M.,Kesten, S. J.,Turner, W. R.

, p. 837 - 852 (1993)

Structure-activity relationships have been ascertained and chemical metodology developed for a series of antimalarial 3-chloroindoloquinoline-5-oxides.The basic side chain as well as the ring N-oxide are critical for antimalarial activity as is a bromine or chlorine in position 3.Substitution at positions 7,8,9,10 in not essential, although the most potent analog in our studies was the 8-nitro compound 4vv. indoloquinolines / antimalarial agents

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