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91102-84-0

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91102-84-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91102-84-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,0 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91102-84:
(7*9)+(6*1)+(5*1)+(4*0)+(3*2)+(2*8)+(1*4)=100
100 % 10 = 0
So 91102-84-0 is a valid CAS Registry Number.

91102-84-0Relevant articles and documents

A Contribution to the Structural Assignment of Positional Isomers of Bis-galacto and Bis-manno Crown Ethers

Hain, Wolfgang,Lehnert, Rudolf,Walz, Bernhard,Schroeder, Gerhard

, p. 1046 - 1051 (2007/10/02)

A structural assignment to the positional isomers of bis-galacto 3/4 and bis-manno crown ethers 6/7 is not possible using spectroscopic data only.Crown ethers 3 and 6 with a 3/3' and 2/2'conjunction of the two sugar moieties are available rationally via the "half crowns" 11 and 13 and are thus identifiable.

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