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67077-32-1

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67077-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67077-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,7 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67077-32:
(7*6)+(6*7)+(5*0)+(4*7)+(3*7)+(2*3)+(1*2)=141
141 % 10 = 1
So 67077-32-1 is a valid CAS Registry Number.

67077-32-1Relevant 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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