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CAS RN: 1655-52-3 | Product Number: D1031


Purity: >98.0%(T)(HPLC)
  • N-Dnp-L-alanine
  • Dnp-Ala-OH
3   12  

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Product Number D1031
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__9H__9N__3O__6 = 255.19  
Physical State (20 deg.C) Solid
CAS RN 1655-52-3
Reaxys Registry Number 2818755
PubChem Substance ID 87567610
SDBS (AIST Spectral DB) 4852
MDL Number


Appearance Light yellow to Yellow to Orange powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Melting point 177.0 to 181.0 °C
Specific rotation [a]20/D +140.0 to +147.0 deg(C=0.5, 1mol/L NaOH sol.)
Solubility in Methanol almost transparency
Properties (reference)
Melting Point 179 °C
Specific Rotation 143.5° (C=0.5,1mol/L NaOH sol.)
Solubility (soluble in) Methanol
Pictogram Pictogram
Signal Word Danger
Hazard Statements H228 : Flammable solid.
Precautionary Statements P240 : Ground and bond container and receiving equipment.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P241 : Use explosion-proof electrical/ ventilating/ lighting equipment.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Related Laws:
EC Number 216-739-9
Transport Information:
UN Number UN1325
Class 4.1
Packing Group II
HS Number 2922498590
PubMed Literature

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