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132125-61-2

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132125-61-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132125-61-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,2 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 132125-61:
(8*1)+(7*3)+(6*2)+(5*1)+(4*2)+(3*5)+(2*6)+(1*1)=82
82 % 10 = 2
So 132125-61-2 is a valid CAS Registry Number.

132125-61-2Downstream Products

132125-61-2Relevant articles and documents

Addition of Dialkyl Phosphites and Dialkyl Trimethylsilyl Phosphites to 2-(Benzyloxy)propanal - Preparation of all Four Stereoisomeric (1,2-Dihydroxy-2H1>propyl)phosphonic Acids from Chiral Lactates

Hammerschmidt, Friedrich

, p. 469 - 475 (2007/10/02)

Dimethyl trimethylsilyl phosphite, diisopropyl trimethylsilyl phosphite, dimethyl phosphite, and diisopropyl phosphite were added to 2-(benzyloxy)propanals 4 and 6 at different temperatures in THF and CH2Cl2.The ratio of diastereomers formed was highest for diisopropyl trimethylsilyl phosphite (erythro/threo 3:1) and dropped to about 1:1 for diisopropy phosphite.Starting from chiral lactates all four stereoisomeric diisopropyl (2-benzyloxy-1-hydroxy-2H1>phosphonates were prepared and deprotected.The (1,2-dihydroxy-2H1>propyl)phosphonic acids formed were purified as cyclohexylammonium salts.The relative configuration of phosph onic acid of (-)-11 was determined by comparison with the salt (1R,2R)-12 derived from fosfomycin.

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