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880761-55-7

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880761-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 880761-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,7,6 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 880761-55:
(8*8)+(7*8)+(6*0)+(5*7)+(4*6)+(3*1)+(2*5)+(1*5)=197
197 % 10 = 7
So 880761-55-7 is a valid CAS Registry Number.

880761-55-7Upstream product

880761-55-7Downstream Products

880761-55-7Relevant articles and documents

A direct organocatalytic entry to sphingoids: Asymmetric synthesis of D-arabino- and L-ribo-phytosphingosine

Enders, Dieter,Palecek, Jiri,Grondal, Christoph

, p. 655 - 657 (2006)

The organocatalytic asymmetric synthesis of d-arabino- and l-ribo-phytosphingosine is described employing a diastereo- and enantioselective (S)-proline-catalyzed aldol reaction of 2,2-dimethyl-1,3-dioxan-5-one and pentadecanal as the key step. The Royal S

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