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khoom

Z-PYR-OH (CAS # 32159-21-0)

Chemical Property:

Molecular Formula C13H13NO5
Molar Mass 263.25 Nws
Qhov ntom 1.408 ± 0.06 g / cm3 (Kev kwv yees)
Melting Point 128-130 ° C
Boling Point 525.4 ± 50.0 ° C (Predicted)
Flash Point 271.5°C dej
Solubility DMSO (me ntsis), Methanol (Sparingly)
Vapor Siab 7.26E-12mmHg ntawm 25 ° C
Qhov tshwm sim Khoom
Xim Dawb
pKa 3.03 ± 0.20 (Tshaj tawm)
Kev cia khoom Muab ntim rau hauv qhuav, 2-8 ° C
Refractive Index 1.597 ib
MDL TIAB SA 00037352

Product Detail

Khoom cim npe

Risk Codes R22/22 -
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S22 - Tsis txhob nqus plua plav.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
S44 -
S35 - Cov khoom no thiab nws lub thawv yuav tsum muab pov tseg rau hauv txoj kev nyab xeeb.
S28 - Tom qab sib cuag nrog daim tawv nqaij, ntxuav tam sim nrog xab npum-suds ntau.
S7 - Khaws lub thawv kaw kom nruj.
S4 - Cia kom deb ntawm lub tsev nyob.
WGK Germany 3
HS Code 29337900 ib

 

Taw qhia

Cbz-pyroglutamic acid (carbobenzoxy-L-phenylalanine) yog cov organic compound uas feem ntau siv los ua cov amino acid tiv thaiv pawg hauv chemistry. Nws cov khoom siv tshuaj yog dawb crystalline khoom, soluble hauv cov kuab tshuaj organic xws li ethanol thiab chloroform, insoluble hauv dej.

 

Ib qho ntawm cov kev siv tseem ceeb ntawm CBZ-pyroglutamic acid yog ua los tiv thaiv cov amino acids nyob rau hauv cov khoom-theem synthesis. Nws tuaj yeem tsim cov qauv amide ruaj khov los ntawm kev ua haujlwm nrog α-amino pawg ntawm cov amino acids los tiv thaiv lwm yam kev tshwm sim. Thaum synthesizing peptides lossis cov proteins, Cbz-pyroglutamic acid tuaj yeem siv los xaiv los tiv thaiv qee cov amino acid residues.

 

Cov txheej txheem ntawm kev npaj Cbz-pyroglutamic acid feem ntau yog ua rau pyroglutamic acid nrog dibenzoyl carbonate (npaj los ntawm cov tshuaj tiv thaiv ntawm dibenzoyl chloride thiab sodium carbonate) nyob rau hauv alkaline tej yam kev mob. Cov txheej txheem npaj yuav tsum tau ua tib zoo saib xyuas kom tsis txhob muaj kev cuam tshuam sab nraud lossis cov khoom tsis zoo.

 

Cov ntaub ntawv kev nyab xeeb: Cbz-pyroglutamic acid yog cov khoom siv hluav taws xob, tsis txhob cuam tshuam ncaj qha nrog cov khoom siv hluav taws xob. Cov cuab yeej tiv thaiv tsim nyog, xws li cov hnab looj tes kuaj thiab tsom iav, yuav tsum hnav thaum tuav. Tsis txhob nqus nws cov plua plav lossis kev daws teeb meem vim nws tuaj yeem ua rau khaus khaus rau hauv lub ntsws. Thaum khaws cia thiab tuav, yuav tsum tau saib xyuas kom kaw lub thawv thiab khaws cia kom deb ntawm qhov hluav taws kub thiab cov khoom siv hluav taws xob.


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