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1048380-54-6

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1048380-54-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1048380-54-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,3,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1048380-54:
(9*1)+(8*0)+(7*4)+(6*8)+(5*3)+(4*8)+(3*0)+(2*5)+(1*4)=146
146 % 10 = 6
So 1048380-54-6 is a valid CAS Registry Number.

1048380-54-6Relevant articles and documents

METHOD FOR PRODUCING OPTICALLY ACTIVE 2-ARYLPIPERAZINE DERIVATIVE

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Page/Page column 16-17, (2009/12/05)

The objective of the present invention is to produce an optically active 2-arylpiperazine derivative useful as a synthetic intermediate for pharmaceutical products and agricultural chemicals from inexpensive and readily available starting material by an industrially practicable method. The objective can be accomplished by treating an optically active substituted aminodiol derivative produced from an optically active styrene oxide derivative with a sulfonating agent in the presence of a base, and then reacting an amine compound to obtain the 2-arylpiperazine derivative. Especially, an optically active 1-unsubstituted-2-arylpiperazine derivative can be produced by treating an optically active 1-allyl-2-arylpiperazine derivative with water in the presence of a transition metal catalyst for deallylation.

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