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213128-01-9

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213128-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213128-01-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,1,2 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 213128-01:
(8*2)+(7*1)+(6*3)+(5*1)+(4*2)+(3*8)+(2*0)+(1*1)=79
79 % 10 = 9
So 213128-01-9 is a valid CAS Registry Number.

213128-01-9Downstream Products

213128-01-9Relevant articles and documents

Enzymatic desymmetrization of prochiral 2-benzyl-1,3-propanediol derivatives: A practical chemoenzymatic synthesis of novel phosphorylated tyrosine analogues

Yokomatsu, Tsutomu,Minowa, Takayuki,Murano, Tetsuo,Shibuya, Shiroshi

, p. 9341 - 9356 (2007/10/03)

(Phosphonomethyl)phenylalanine (Pmp) and (phosphonodifluoromethyl)phenylalanine (F2Pmp) as well as their β-amino acid congeners were prepared as a protecting variant amenable to the peptide synthesis from readily available 2-benzyl-1,3-propandiols possessing either a diethylphosphonomethyl- or diethylphosphonodifluoromethyl functionality at the para-position via the lipase-catalyzed desymmetrization.

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