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66191-90-0

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66191-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66191-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,9 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66191-90:
(7*6)+(6*6)+(5*1)+(4*9)+(3*1)+(2*9)+(1*0)=140
140 % 10 = 0
So 66191-90-0 is a valid CAS Registry Number.

66191-90-0Relevant articles and documents

Highly efficient gold-catalyzed synthesis of dibenzocycloheptatrienes

Pflaesterer, Daniel,Rettenmeier, Eva,Schneider, Severin,De Las Heras Ruiz, Edgar,Rudolph, Matthias,Hashmi, A. Stephen K.

, p. 6752 - 6755 (2014/06/09)

Dibenzocycloheptatrienes are obtained by a gold-catalyzed 7-exo-dig hydroarylation protocol in a highly efficient manner. The gold-catalyzed reaction usually gives the products in high yields and excellent selectivity. This procedure provides an easy and

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