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66640-93-5

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66640-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66640-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,4 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66640-93:
(7*6)+(6*6)+(5*6)+(4*4)+(3*0)+(2*9)+(1*3)=145
145 % 10 = 5
So 66640-93-5 is a valid CAS Registry Number.

66640-93-5Downstream Products

66640-93-5Relevant articles and documents

Catalytic hydrogenation of ethyl 2-amino-2-difluoromethyl-4-cyanobutanoate and its Schiff base reaction modes

Zhu, Jingyang,Price, Benjamin A.,Walker, Jonathan,Zhao, Shannon X.

, p. 2795 - 2797 (2007/10/03)

Under heterogeneous catalysis, ethyl 2-amino-2-difluoromethyl-4- cyanobutanoate or its Schiff base could be selectively reduced in good yield by hydrogenation to give a diamine, or to form a five-membered ring or a six-membered ring heterocycles. This selectivity is highly dependent on the type of catalysts used.

Method of inhibiting the growth of protozoa

-

, (2008/06/13)

α-Substituted amines and α-substituted-α-amino acids are described which are useful in inhibiting the growth of protozoa in animals.

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