Cas 137606-72-5,5-hydroxy-4-methoxy-1-methyl-5-phenyl-1H-pyrrol-2(5H)-one

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Check Digit Verification of cas no

The CAS Registry Mumber 137606-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137606-72:
(8*1)+(7*3)+(6*7)+(5*6)+(4*0)+(3*6)+(2*7)+(1*2)=135
135 % 10 = 5
So 137606-72-5 is a valid CAS Registry Number.

137606-72-5Upstream product

137606-75-8 3-methoxy-1-methyl-2-phenylpyrrole

137606-72-5Downstream Products

137606-72-5Relevant academic research and scientific papers

3-Hydroxypyrroles and 1H-Pyrrol-3(2H)-ones. Part 12. Autoxidation of 3-Alkoxypyrroles: Crystal and Molecular Structure of 5-Hydroxy-4-methoxy-1-methyl-5-phenyl-1H-pyrrol-2(5H)-one

Blake, Alexander J.,Hunter, Gordon A.,McNab, Hamish

, p. 2885 - 2897 (2007/10/02)

Autoxidation of 3-methoxy-1-methyl-2-phenylpyrrole (7) in acetone solution gives the title compound (8) in 75percent yield. 13C NMR and X-ray crystallographic studies show that (8) adopts the ring closed tautomer (8a) both in DMSO solution and in the soli

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