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13523-12-1

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13523-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13523-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,2 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13523-12:
(7*1)+(6*3)+(5*5)+(4*2)+(3*3)+(2*1)+(1*2)=71
71 % 10 = 1
So 13523-12-1 is a valid CAS Registry Number.

13523-12-1Relevant articles and documents

A general strategy for visible-light decaging based on the quinone: Cis -alkenyl lock

Walton, David P.,Dougherty, Dennis A.

supporting information, p. 4965 - 4968 (2019/05/21)

Combining the fast thermal cyclization of o-coumaric acid derivatives with the intramolecular photoreduction of quinones gives new visible-light photoremovable protecting groups absorbing well above 450 nm.

A stereocontrolled synthesis of δ-trans-tocotrienoloic acid

Maloney, David J.,Hecht, Sidney M.

, p. 4297 - 4300 (2007/10/03)

(Chemical Equation Presented) A consise stereoselective total synthesis of a naturally occurring polymerase β inhibitor, δ-trans-tocotrienoloic acid (2), is described. The key step in the synthesis is an acid-catalyzed cyclodehydration reaction. Additiona

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