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CAS RN: 94-07-5 | Product Number: S0232


Purity: >98.0%(T)(HPLC)
  • 4-[1-Hydroxy-2-(methylamino)ethyl]phenol
  • 1-(4-Hydroxyphenyl)-2-(methylamino)ethanol
  • 4-Hydroxy-α-(methylaminomethyl)benzyl Alcohol
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Product Number S0232
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__9H__1__3NO__2 = 167.21  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 94-07-5
Reaxys Registry Number 1103010
PubChem Substance ID 87575769
SDBS (AIST Spectral DB) 10611
Merck Index (14) 9012
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %
Solubility in dilute HCl almost transparency
Properties (reference)
Melting Point 173 °C(dec.)
Related Laws:
EC Number 202-300-9
RTECS# DO7350000
Transport Information:
HS Number 2922500090
Synephrine: An Active Alkaloid from the Citrus Arantium Fruit

Synephrine (p-synephrine), an alkaloid, is derived from the fruit of small citrus trees (Citrus aurantium). Its tartrate form is synephrine tartrate [S0233]. Synephrine is related structurally to endogenous neurotransmitters (adrenaline [A0172] and noradrenaline [A0906 (bitartrate)]), and acts on several adrenergic and serotonergic receptors. Synephrine has been reported to have thermogenic properties. Therefore, it is widely used as a dietary supplement to enhance energy and promote weight loss. It is reported that the (-)-form [Y0012] of synephrine has more potent than that of the (+)-form. (The product is for research purpose only.)


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