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53840-54-3

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53840-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53840-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,4 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53840-54:
(7*5)+(6*3)+(5*8)+(4*4)+(3*0)+(2*5)+(1*4)=123
123 % 10 = 3
So 53840-54-3 is a valid CAS Registry Number.

53840-54-3Downstream Products

53840-54-3Relevant articles and documents

Sesquiterpene glycosides and phenylpropanoid esters from Phonus arborescens (Carthamus arborescens)

Barrero, Alejandro F.,Arteaga, Pilar,Quilez, Jose F.,Rodriguez, Ignacio,Herrador, M. Mar

, p. 1026 - 1030 (2007/10/03)

The tert-butylmethyl ether extract of the aerial parts of Phonus arborescens (L.) G. Lopez (Carthamus arborescens L.) afforded three new sesquiterpene glycosides, 10-epi-γ-eudesmol β-D-fucopyranoside (1), 10- epi-γ-eudesmol 2'-O-acetyl-β-D-fucopyranoside (2), and 4,5-dioxo-10-epi- 4,5-seco-γ-eudesmol 2'-O-acetyl-β-D-fucopyranoside (3), together with two new phenylpropanoid esters, 3-(3,4-dihydroxyphenyl)propyl myristate (4) and 3-(3,4-dihydroxyphenyl)propyl palmitate (5) in addition to a series of known compounds. The structures of the new compounds were established by spectroscopic and chemical methods.

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