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67209-28-3

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67209-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67209-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,0 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67209-28:
(7*6)+(6*7)+(5*2)+(4*0)+(3*9)+(2*2)+(1*8)=133
133 % 10 = 3
So 67209-28-3 is a valid CAS Registry Number.

67209-28-3Relevant articles and documents

Diastereoselective synthesis of cyclopentanediols by InCl3/Al mediated intramolecular pinacol coupling reaction in aqueous media

Chen, Yunhua,Wan, Jieping,Wang, Chunyan,Sun, Cuirong

experimental part, p. 2652 - 2658 (2009/04/04)

A "green" and practical intramolecular pinacol coupling reaction promoted by InCl3/Al catalysts in aqueous media has been developed. Under mild conditions, a novel class of polysubstituted cyclopentane-1,2-diols have been obtained with excellent diastereo

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