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73120-63-5

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73120-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73120-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,2 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73120-63:
(7*7)+(6*3)+(5*1)+(4*2)+(3*0)+(2*6)+(1*3)=95
95 % 10 = 5
So 73120-63-5 is a valid CAS Registry Number.

73120-63-5Downstream Products

73120-63-5Relevant articles and documents

Carbon-13 Nuclear Magnetic Resonance Spectra of Pterosin-Sesquiterpenes and Related Indan-1-one Derivatives

Fukuoka, Masamichi,Yoshihira, Kunitoshi,Natori, Shinsaku,Mihashi, Kunihide,Nishi, Masatoshi

, p. 3113 - 3128 (2007/10/02)

Methyl derivatives of indan-1-one were prepared as models to aid in interpreting the carbon-13 nuclear magnetic resonance ((13)C-NMR) spectra of pterosin-sesquiterpenes which were isolated from bracken fern, Pteridium aquilinum var. latiusculum.The chemical shifts of the carbons of the methylindan-1-ones were assigned by the proton decoupling technique.All the (13)C-NMR signals of the pterosin-sesquiterpenes were assigned by means of selective proton decouplings, and from the (13)C-(1)H long-range couplings and (13)C chemical shifts of the model compounds.Keywords - indan-1-one derivative; methylindan-1-one; pterosin-sesquiterpene; methylindan-1-one synthesis; (1)H-NMR; (13)C-NMR; selective decoupling; C-H decoupling

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