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640726-17-6

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640726-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640726-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,7,2 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 640726-17:
(8*6)+(7*4)+(6*0)+(5*7)+(4*2)+(3*6)+(2*1)+(1*7)=146
146 % 10 = 6
So 640726-17-6 is a valid CAS Registry Number.

640726-17-6Downstream Products

640726-17-6Relevant articles and documents

Preparation of 2,6-Bis(l-menthopyrzol-3-yl)pyridines and their Catalytic Activity for Asymmetric Diels Alder Reaction

Kashima, Choji,Shibata, Saori,Yokoyama, Hiroyo,Nishio, Takehiko

, p. 773 - 782 (2007/10/03)

3-Aryl-l-menthopyrazoles 1 and 2 and related compounds were prepared from l-menthone, and their enantioselective activities were discussed as chiral ligands. In this series of compounds, 2,6-bis(2-methyl-l-menthopyrazol-3-yl)pyridine (8a), which had both

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