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1380442-20-5

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1380442-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380442-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,4,4 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1380442-20:
(9*1)+(8*3)+(7*8)+(6*0)+(5*4)+(4*4)+(3*2)+(2*2)+(1*0)=135
135 % 10 = 5
So 1380442-20-5 is a valid CAS Registry Number.

1380442-20-5Upstream product

1380442-20-5Downstream Products

1380442-20-5Relevant articles and documents

Synthetic routes to campesterol and dihydrobrassicasterol: A first reported synthesis of the key phytosterol dihydrobrassicasterol

O'Connell,O'Callaghan,O'Brien,Maguire,McCarthy

experimental part, p. 4995 - 5004 (2012/08/28)

Phytosterols are increasingly used as health supplements in functional foods and are associated with having both positive and negative effects on health. Given this disparity, an investigation of their full individual biological profile is imperative in order to assure food safety. This paper describes the de novo synthesis of pure phytosterols in multigram scale and we report the first synthesis of the key phytosterol dihydrobrassicasterol along with a comparison of routes to campesterol. A detailed spectroscopic analysis is included with full assignment of the 13C NMR spectroscopic data of both compounds, mixtures and their precursors leading to the potential use of NMR spectroscopy as a tool for analysis of these sterol mixtures.

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