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344309-58-6

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344309-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344309-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,0 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344309-58:
(8*3)+(7*4)+(6*4)+(5*3)+(4*0)+(3*9)+(2*5)+(1*8)=136
136 % 10 = 6
So 344309-58-6 is a valid CAS Registry Number.

344309-58-6Downstream Products

344309-58-6Relevant articles and documents

ISOMERISATION OF ο-ALKENYL SUBSTITUTED CYCLOHEXANE-1,3-DIONE ENOL DERIVATES USING RHODIUM CATALYSIS. A PRACTICAL SYNTHESIS OF SUBSTITUTED RESORCINOLS

Blagbrough, Ian S.,Pattenden, Gerald,Raphael, Richard A.

, p. 4843 - 4846 (2007/10/02)

Treatment of the ο-alkenyl substituted cyclohexane-1,3-dione enol derivates (1), (11), and (13) with rhodium trichloride trihydrate leads to the corresponding resorcinol derivates (2), (12), and (15) respectively.By contrast, the RhCl3.3H2O catalysed isomerisations of the related enol ethers (5) and (9) instead produce the dienones (6) and (10) respectively.

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