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101313-29-5

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101313-29-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101313-29-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,3,1 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101313-29:
(8*1)+(7*0)+(6*1)+(5*3)+(4*1)+(3*3)+(2*2)+(1*9)=55
55 % 10 = 5
So 101313-29-5 is a valid CAS Registry Number.

101313-29-5Relevant articles and documents

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Cook,Schoental

, p. 170,173 (1948)

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Resolution and Absolute Configuration of K-Region Trans Dihydrodiols from Polycyclic Aromatic Hydrocarbons

Balani, S. K.,Bladeren, P. J. van,Shirai, N.,Jerina, D. M.

, p. 1773 - 1778 (2007/10/02)

K-region trans dihydrodiols of benzophenanthrene, chrysene, pyrene, and dibenzacridine have been resolved as their diastereomeric diesters with (-)-(menthyloxy)acetic acid, and their absolute configuration have been assigned by the application of circular dichroism and excition chirality methods.For these as well as the K-region trans dihydrodiol derivatives from five other hydrocarbons, a consistent pattern of physical properties has emerged.The R,R diastereomers are less retained on silica gel HPLC columns when eluted with ether-cyclohexane mixtures and show negative values of D in tetrahydrofuran, the degree of magnetic nonequivalence between HA and HB in the -OCHAHBCO2- portion of the diesters (100 MHz, C6D6) is generally much higher for the S,S enantiomers of the dihydrodiols, and the free R,R dihydrodiols have positive values of D in tetrahydrofuran provided their hydroxyl groups do not have a marked preference for the pseudodiaxial conformation.

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