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91129-31-6

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91129-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91129-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,2 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91129-31:
(7*9)+(6*1)+(5*1)+(4*2)+(3*9)+(2*3)+(1*1)=116
116 % 10 = 6
So 91129-31-6 is a valid CAS Registry Number.

91129-31-6Relevant articles and documents

Host-Guest Complexation. 42. Preorganization Strongly Enhances the Tendency of Hemispherands To Form Hemispheraplexes

Doxsee, Kenneth M.,Feigel, Martin,Stewart, Kent D.,Canary, Jimmy W.,Knobler, Carolyn B.,Cram, Donald J.

, p. 3098 - 3107 (2007/10/02)

The desing and syntheses of four new macrocyclic host compounds (1-4, Chart I) are reported which contain three cyclic urea carbonyls and two anisyl-like oxygens alternately arranged to bind alkali metal or alkylammonium ion guests.The macroring systems a

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