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83935-69-7

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83935-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83935-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,3 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83935-69:
(7*8)+(6*3)+(5*9)+(4*3)+(3*5)+(2*6)+(1*9)=167
167 % 10 = 7
So 83935-69-7 is a valid CAS Registry Number.

83935-69-7Downstream Products

83935-69-7Relevant articles and documents

Benzocrown Derivatives as Ionophores for Alkali Cations, I. - Synthesis of Urethane- and Urea-Linked Mono- and Bis-Crown Ethers

Toeke, Laszlo,Bitter, Istvan,Agai, Bela,Csongor, Eva,Toth, Klara,et al.

, p. 349 - 354 (2007/10/02)

New mono- and bis-benzocrown ethers (5-28 and 29-48) with different substituents and connecting chains were prepared with the aim to develop novel alkali cation-transport mediators for biological systems.The alkali cation selectivities of the title compounds were determined in ion-selective membrane electrodes.Remarkable potassium selectivity was observed with several bis(benzo-15-crown-5)urethanes.

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