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116447-39-3

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116447-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116447-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,4,4 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116447-39:
(8*1)+(7*1)+(6*6)+(5*4)+(4*4)+(3*7)+(2*3)+(1*9)=123
123 % 10 = 3
So 116447-39-3 is a valid CAS Registry Number.

116447-39-3Relevant articles and documents

THE SYNTHESIS AND CHARACTERIZATION OF 2,3-METHANOPYROGLUTAMIC ACID

Mapelli, Claudio,Elrod, Luther F.,Holt, Elizabeth M.,Stammer, Charles H.

, p. 4377 - 4382 (1989)

Details of the synthesis of 2,3-methanopyroglutamic acid (1), its N-methylamide (7) and N-β-naphthylamide (6) are reported.An NMR study of the conformation of 7 is discussed and the stability of the amide 6 to pyroglutamylaminopeptidase is detailed.The crystal structure of an alkene (4) formed during the pyrolysis of an intermediate pyrazoline (2) indicates that the (Z)-configuration is conserved during nitrogen extrusion.

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