(R)-Phenylalanine CAS NO.673-06-3

Product name

(R)-Phenylalanine

Alias

D-alpha-amino-beta-phenylpropionic acid; D-alpha-aminohydrocinnamic acid; D-beta-phenyl-alpha-aminopropionic acid; D-PHE; D-Phenylalanine; H-D-Phe-OH; D-phenylalanie

CAS NO

673-06-3

EINECS No.

211-603-5

Molecular formula

C₉H₁₁NO₂

Molecular weight

165.19

Structural formula

Product description

White flaky crystal; soluble in water, slightly soluble in methyl alcohol and ethyl alcohol, insoluble in ethyl alcohol; decomposition point is 285℃; specific rotation [α]25D+35°(0.5-2.0 mg/ml, H2O); [α]25D+7.1°(0.5-2.0 mg/ml, 5 mol/L HCl)

Uses

As pharmaceutical intermediate or APIs, in compounding nateglinide and other drugs

Item

Standard

Results

Appearance

A white to off-white powder

Conforms

differentiate

To match with standard

Consistent

Transmittance

≥98%

Conforms

Specific rotation(On dried basis)

+33.0°~+35.0°

+33.75°

Loss on drying

≤0.2%

0.10%

Chloride

≤0.02%

<0.02%

Ammonium(NH4)

≤0.02%

<0.02%

Iron(Fe)

≤0.001%

<0.001%

Sulfate(So4)

≤0.02%

<0.02%

Other amino acids

Passed

Conforms

Residue on igaition

≤0.10%

0.05%

Heavy metals(Pb)

≤10ppm

<10ppm

PH

5.4—6.0

5.72

Assay

98.5%~101.5%

99.43%