PRODUCT NAME: L-VALINE USP24

EXPIRY DATE: 2 years

CAS NO.: 72-18-4

ITEMS

LIMITS

TEST RESULTS

DESCRIPTION

WHITE CRYSTALS OR CRYSTALLINE POWDER

CONFORMS

IDENTIFICATION (IR)

CONCORDANT WITH THE REFERENCE SPECTRUM

CONFORMS

ASSAY

98.5% ~ 101.5%

99.67%

PH

5.5 ~ 7.0

6.1

SPECIFIC ROTATION

+26.6° ~ +28.8°

         + 27.51°

RESIDUE ON IGNITION

≤0.10%

0.10%

LOSS ON DRYING

≤0.30%

0.16%

CHLORIDE (Cl)

≤0.05%

<0.05%

IRON (Fe)

≤30ppm

<30ppm

SULFATE (SO4)

≤0.03%

<0.03%

ARSENIC (As)

≤1.5ppm

<1.5ppm

HEAVY METALS

≤15ppm

<15ppm

ORGANIC VOLATILE

IMPURITIES

MEETS THE REQUIREMENTS

CONFORMS

TAPPED DENSITY:0.81g/ml

BULK DENSITY:0.65 g/ml

CONCLUSION: PASSED TEST ACCORDING TO THE STANDARD OF USP24.