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Toluene-4-sulfonic acid (S)-2-[(2R,5S)-5-(2-oxo-propyl)-tetrahydro-furan-2-yl]-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128806-56-4

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128806-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128806-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,0 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128806-56:
(8*1)+(7*2)+(6*8)+(5*8)+(4*0)+(3*6)+(2*5)+(1*6)=144
144 % 10 = 4
So 128806-56-4 is a valid CAS Registry Number.

128806-56-4Downstream Products

128806-56-4Relevant academic research and scientific papers

The Absolute Stereochemistry of Pamamycin -607, an Aerial Mycelium-inducing Substance of Streptomyces alboniger

Natsume, Masahiro,Kondo, Satoru,Marumo, Shingo

, p. 1911 - 1913 (1989)

The absolute stereochemistry of pamamycin-607 has been determined as (1), by derivatizing it to a furfuryl compound (14), the optical rotation of which coincided with that of an authentic compound derived chemically from nonactin antibiotic.

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