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665006-08-6

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665006-08-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 665006-08-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,5,0,0 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 665006-08:
(8*6)+(7*6)+(6*5)+(5*0)+(4*0)+(3*6)+(2*0)+(1*8)=146
146 % 10 = 6
So 665006-08-6 is a valid CAS Registry Number.

665006-08-6Relevant articles and documents

Microwave-assisted Paal-Knorr reaction - Three-step regiocontrolled synthesis of polysubstituted furans, pyrroles and thiophenes

Minetto, Giacomo,Raveglia, Luca F.,Sega, Alessandro,Taddei, Maurizio

, p. 5277 - 5288 (2007/10/03)

An efficient and highly versatile synthesis of furans, pyrroles and thiophenes is described. Starting from commercially available or easily prepared β-keto esters, functional homologation provides differently substituted 1,4-diketones that can be transfor

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