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CAS RN: 152120-55-3 | Product Number: B3605

N,N'-Bis(carbobenzoxy)-1H-pyrazole-1-carboxamidine


Purity: >98.0%(T)(HPLC)
Synonyms:
  • N,N'-Bis(benzyloxycarbonyl)-1H-pyrazole-1-carboxamidine
  • N,N'-Di-Cbz-1H-pyrazole-1-carboxamidine
  • 1-[N,N'-Bis(carbobenzoxy)amidino]pyrazole
  • 1-[N,N'-(Di-Cbz)amidino]pyrazole
  • N,N'-Bis(carbobenzoxy)-1H-pyrazole-1-carboximidamide
  • N,N'-Di-Cbz-1H-pyrazole-1-carboximidamide
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1G
₹5,900
1   2   1  
5G
₹17,400
10   2   ≥20 

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Product Number B3605
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__2__0H__1__8N__4O__4 = 378.39  
Physical State (20 deg.C) Solid
CAS RN 152120-55-3
Reaxys Registry Number 6160514
PubChem Substance ID 125307472
MDL Number

MFCD02683516

Specifications
Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Melting point 91.0 to 95.0 °C
Properties (reference)
Melting Point 93 °C
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
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Application
Synthesis of monosubstituted guanidines

Typical procedure (synthesis of bis-Cbz guanidine derivative): To the 1-guanylpyrazole derivative (B3605, 378 mg) was added aniline (102 mg) followed by dry THF (0.4 mL) and the resulting mixture was stirred for 22 h at room temperature. The reaction mixture was purified by column chromatography to give the bis-Cbz guanidine derivative as an oil (379 mg, 94 %).

References


PubMed Literature


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