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207744-20-5

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207744-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207744-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,7,4 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 207744-20:
(8*2)+(7*0)+(6*7)+(5*7)+(4*4)+(3*4)+(2*2)+(1*0)=125
125 % 10 = 5
So 207744-20-5 is a valid CAS Registry Number.

207744-20-5Upstream product

207744-20-5Downstream Products

207744-20-5Relevant articles and documents

Diastereoselective deuteration of (Z)-α,β-dehydrotryptophanyl- containing biological peptides controlled by chiral rhodium catalysts

Hammadi, Akli,Meunier, Gilles,Menez, Andre,Genet, Roger

, p. 2955 - 2958 (1998)

The regio- and stereoselective labelling (2H, 3H) of tryptophanyl containing biological peptides catalysed by chiral rhodium complexes is described. The Δ(z)Trp-residue is directly produced in the peptide by a catalytic process, invo

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