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66500-40-1

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66500-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66500-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,0 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66500-40:
(7*6)+(6*6)+(5*5)+(4*0)+(3*0)+(2*4)+(1*0)=111
111 % 10 = 1
So 66500-40-1 is a valid CAS Registry Number.

66500-40-1Upstream product

66500-40-1Relevant articles and documents

Naphthoquinone derivatives

-

, (2008/06/13)

Novel antiprotozoal naphthoquinones having the general formula STR1 (wherein either R1 is hydrogen and R2 is selected from C1-6 alkoxy, aralkoxy, C1-6 alkyl-C1-6 alkoxy, phenyl substituted by one or two groups selected from halogen and C1-6 alkyl, halogen and perhalo-C1-6 alkyl; or R1 and R2 are both C1-6 alkyl or phenyl; and n is 0 or 1) and salt thereof. The compounds of formula (I) are useful for the treatment or prophylaxis of protozoal diseases including malaria, theileriosis and coccidiosis. Various processes for preparing compounds of formula (I) are described.

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