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128733-94-8

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128733-94-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128733-94-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,3 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128733-94:
(8*1)+(7*2)+(6*8)+(5*7)+(4*3)+(3*3)+(2*9)+(1*4)=148
148 % 10 = 8
So 128733-94-8 is a valid CAS Registry Number.

128733-94-8Relevant articles and documents

Host-Guest Complexation. 53.) Functional Groups Preorganized in Hemispherands for Binding Alkali Metal and Ammonium Cations

Bryant, Judi A.,Helgeson, Roger C.,Knobler, Carolyn B.,deGrandpre, Mark P.,Cram, Donald J.

, p. 4622 - 4634 (2007/10/02)

The synthesis and free energies are reported for 10 new hemispherands (1, 2, 4, 6, 7-9, 11-13) binding alkali metal and ammonium picrate salts at 25 deg C in CDCl3 saturated with D2O.These hemispherands possess the general structure I, in which two 4-subs

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