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142010-78-4

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142010-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142010-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,1 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142010-78:
(8*1)+(7*4)+(6*2)+(5*0)+(4*1)+(3*0)+(2*7)+(1*8)=74
74 % 10 = 4
So 142010-78-4 is a valid CAS Registry Number.

142010-78-4Relevant articles and documents

EXPEDIENT ROUTE TO 3- AND 3,3'-SUBSTITUTED 1,1'-BI-2-NAPHTHOLS BY DIRECTED ortho METALATION AND SUZUKI CROSS COUPLING METHODS

Cox, Paul J.,Wang, Wei,Snieckus, Victor

, p. 2253 - 2256 (2007/10/02)

A directed ortho metalation-based route to 3- and 3,3'-substituted binaphthols 2a-c and 3a-c, including chiral materials, is described.Using the Suzuki cross coupling process, dibromo system 3a (E = Br) has been transformed into 3,3'-diaryl binaphthols 5.

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