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128708-52-1

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128708-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128708-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,0 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128708-52:
(8*1)+(7*2)+(6*8)+(5*7)+(4*0)+(3*8)+(2*5)+(1*2)=141
141 % 10 = 1
So 128708-52-1 is a valid CAS Registry Number.

128708-52-1Downstream Products

128708-52-1Relevant articles and documents

Biosynthesis of Natural Products with a P-C Bond, V. - The Oxirane Oxygen Atom of Fosfomycin Is not Derived from Atmospheric Oxygen

Hammerschmidt, Friedrich,Bovermann, Guenther,Bayer, Karl

, p. 1055 - 1061 (2007/10/02)

Fosfomycin (1) in the culture broth of Streptomyces fradiae was transformed into (amino-hydroxypropyl)phosphonic acids 12 and 13.The main product 12 was isolated by ion-exchange chromatography.Streptomyces fradiae grown in an 18O2-enriched atmosphere produced unlabelled fosfomycin.For comparison 18O-labelled diastereomeric (2-amino-1-hydroxypropyl)phosphonic acids 16 and 17 showing an α shift of 0.025 ppm in the 13C-NMR spectrum were prepared starting from Boc-L-alaninal. (Z)-1-Propenylphosphonic acid was not incorporated into 1.D-Glucose afforded 12 with 16percent deuterium at C1.

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