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130217-43-5

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130217-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130217-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130217-43:
(8*1)+(7*3)+(6*0)+(5*2)+(4*1)+(3*7)+(2*4)+(1*3)=75
75 % 10 = 5
So 130217-43-5 is a valid CAS Registry Number.

130217-43-5Relevant articles and documents

Synthesis of 3,9b-Dihydro-5H-pyrroloisoindoles and 3,5,6,10b-Tetrahydropyrroloisoquinolines with 1,3-Dipolar Cycloaddition Reactions.

Anderson, Wayne K.,Kinder, Frederick R.

, p. 975 - 979 (2007/10/02)

The title classes of compounds have been prepared using a sequence of two ring-forming reactions.Initial 1,3-dipolar cycloaddition with an azomethine ylide gave N-acylated 3-pyrrolines which were further elaborated to the target compounds by a tandem deprotection/cyclization reaction.

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