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Boc-L-Histidine (Tosyl) CAS # 35899-43-5

Chemical Property:

Molecular Formula C18H23N3O6S
Molar Mass 409.46 ib
Qhov ntom 1.19
Melting Point 125 ° C (txog)
Qhov tshwm sim Bright daj siv lead ua
Xim Dawb mus Yuav luag dawb
BRN 769957 ib
pKa 3.50 ± 0.10 (Kev kwv yees)
Kev cia khoom -20 ° C
Refractive Index 1.594 ib
MDL PAB 00065967

Product Detail

Khoom cim npe

Kev nyab xeeb piav qhia 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 3
HS Code 29350090 ib

 

Taw qhia

N(alpha)-boc-N(im)-tosyl-L-histidine(N(alpha)-boc-N(im)-tosyl-L-histidine) yog ib tug compound. Nov yog qee cov ntaub ntawv hais txog nws qhov xwm txheej, kev siv, kev tsim thiab kev nyab xeeb:

 

Xwm:

-Zoo: Dawb crystalline khoom

Cov mis mos molecular: C25H30N4O6S

Molecular Luj: 514.60g / mol

- Melting point: 158-161 ° C

-Solubility: Soluble hauv cawv, ketones thiab qee cov kuab tshuaj organic

 

Siv:

- N(alpha)-boc-N(im)-tosyl-L-histidine tuaj yeem siv los ua pab pawg tiv thaiv los tiv thaiv cov pab pawg ua haujlwm histidine thaum lub sijhawm peptide synthesis.

-Nyob rau hauv peptide chemistry, nws tuaj yeem siv los ua qhov sib xyaw ua ntej rau kev sib txuas ntawm cov tshuaj lom neeg lom zem polypeptides.

 

Txoj Kev Npaj:

Kev npaj ntawm N(alpha)-boc-N(im)-tosyl-L-histidine yog qhov nyuaj thiab yuav tsum muaj cov txheej txheem tshuaj lom neeg. Ib txoj hauv kev npaj ntau yog ua rau tert-butyl chloroformate nrog L-histidine imidazole ester, thiab tom qab ntawd ua rau cov tshuaj methylbenzenesulfonyl chloride kom tau txais cov khoom lag luam.

 

Cov ntaub ntawv kev nyab xeeb:

- N(alpha)-boc-N(im)-tosyl-L-histidine tej zaum yuav khaus thiab rhiab heev rau tib neeg.

-Thaum tuav thiab khaws cia, nws raug nquahu kom siv cov kev tiv thaiv tus kheej tsim nyog, xws li hnav hnab looj tes, tsom iav thiab khaub ncaws tiv thaiv.

-Tsis txhob sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa ib ntsuj av, thiab ua kom muaj cua zoo nyob hauv chav kuaj.

-Thaum siv thiab pov tseg ntawm qhov sib xyaw no, cov txheej txheem kev nyab xeeb thiab cov cai yuav tsum tau ua raws.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb