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194034-43-0

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194034-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194034-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,0,3 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 194034-43:
(8*1)+(7*9)+(6*4)+(5*0)+(4*3)+(3*4)+(2*4)+(1*3)=130
130 % 10 = 0
So 194034-43-0 is a valid CAS Registry Number.

194034-43-0Downstream Products

194034-43-0Relevant articles and documents

Suntheses of (3S)-3-hydroxy-2-pyrrolidinone from (S)-malic acid

Pires, Raul,Burger, Klaus

, p. 9213 - 9218 (1997)

(S)-Malic acid 2 is transformed into (3S)-3-hydroxy-2-pyrrolidinone (8) using hexafluoroacotone os protecting and activating agent. Two alternative routes were developed; key step of both routes is the intramolecular aminolytic cleavage of the lactone rin

Orthogonally protected, carboxy-activated L-homoisoserine, 2-methyl-L-homoisoserine, and homoisocysteine derivatives. New building blocks for peptide and depsipeptide modification

Burger, Klaus,Radics, Gabor,Hennig, Lothar,Boettcher, Christoph,Spengler, Jan,Albericio, Fernando

, p. 763 - 776 (2007/10/03)

Starting from L-malic, L-citramalic, and rac. thiomalic acids routes to L-homoisoserine, 2-methyl-L-homoisoserine and rac. homoisocysteine have been developed. The new orthogonally protected and carboxy-activated building blocks are GABA as well as α-hydr

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