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120727-02-8

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120727-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120727-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,2 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120727-02:
(8*1)+(7*2)+(6*0)+(5*7)+(4*2)+(3*7)+(2*0)+(1*2)=88
88 % 10 = 8
So 120727-02-8 is a valid CAS Registry Number.

120727-02-8Upstream product

120727-02-8Downstream Products

120727-02-8Relevant articles and documents

Saponins and C-glycosyl flavones from the seeds of Abrus precatorius

Ma, Chao-Mei,Nakamura, Norio,Hattori, Masao

, p. 982 - 987 (1998)

Two new saponins, 3-O-[β-D-glucuronopyranosyl-(1 → 2)-β-D- glucopyranosyl]hederagenin (named abrus-saponin I) and 3-O-[β-D- glucuronopyranosyl-(1 → 2)-β-D-glucopyranosyl]oleanolic acid 28-β-D- glucopyranosyl ester (abrus-saponin II), and three new flavones, 6-C-β-D- glucopyranosyl-4',5-dihydroxy-7,8-dimethoxyflavone (precatorin I), 6-C-[β- D-apiofuranosyl-(1 → 2)-β-D-glucopyranosyl)-4',5-dihydroxy-7,8- dimethoxyflavone (precatorin II), 6-C-[β-D-apiofuranosyl-(1 → 2)-β-D- glucopyranosyl]-4',5-dihydroxy-7-methoxyflavone (precatorin III), were isolated from the seeds of Abrus precatorius L. together with twelve known compounds including a naturally new saponin, 3-O-[β-D-glucuronopyranosyl-(1 → 2)-β-D-glucopyranosyl]oleanolic acid. Their structures were determined on the basis of chemical and spectroscopic methods. In addition, the unusual NMR spectral behavior of the flavone C-glycosides is also discussed.

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