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Home > Products >  D-Tyrosine

D-Tyrosine CAS NO.556-02-5

  • Min.Order: 1 Kilogram
  • Payment Terms: L/C,T/T
  • Product Details


  • 3-(4-Hydroxyphenyl)-D-alanine
  • 556-02-5
  • D-Tyr

Quick Details

  • ProName: D-Tyrosine
  • CasNo: 556-02-5
  • Molecular Formula: C9H11NO3
  • Appearance: White crystals or crystalline powder
  • Application: 556-02-5
  • DeliveryTime: Immediately
  • PackAge: Standard Packing: 25kg/drum
  • Port: Chinese Main ports
  • ProductionCapacity: 1 Metric Ton/Day
  • Purity: 99%
  • Storage: Store in dry, dark, ventilated place.
  • Transportation: airfreight or vessel
  • LimitNum: 1 Kilogram
  • Grade: Industrial Grade,Food Grade,Pharma Gra...


Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service.

We fully compliance with ISO9001:2008, production and quality management following GMP standards, production plant constructed in accordance with GMP standards. Quality control conforms to the standards of pharmaceutical-food CP grade and Japan Ajinomoto AJI, American USP and Reagent grade BR.

we have kosher and hala certificate.





Product Name:  D-Tyrosine                            

CAS#: 556-02-5

Synonyms: H-D-Tyr-OH                       

Molecular Formula: C9H11NO3

Molecular Weight: 181.19

Specifications:   (Reference Standard:AJI92)



Analysis data


White crystals or crystalline powder


Specific rotation[α]20/D

(C=5,1mol/L HCL)

+10.5 to +12.3°


State of solution


Clear and colorless

Not less than 95.0%


Chloride (Cl)

Not more than 0.10%


Iron (Fe)

Not more than 20ppm


Heavy metal(Pb)

Not more than 10ppm



Not more than 2ppm


Loss on drying

Not more than 0.20%


Residue on ignition(sulfated)

Not more than 0.20%



98.0 to101.0%



Used as pharmaceutical intermediates, biochemical reagents and raw materials for cosmetics.

Laboratory Picture:




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