PRODUCT NAME: L-ISOLEUCINE USP24

EXPIRY DATE:2 years

CAS NO.:73-32-5

ITEMS

LIMITS

TEST RESULTS

IDENTIFICATION (IR)

CONCORDANT WITH THE REFERENCE SPECTRUM

CONFORMS

ASSAY

98.5% ~ 101.5%

100.9%

PH

5.5 ~ 7.0

6.0

SPECIFIC ROTATION

38.9° ~ +41.8°

39.9°

RESIDUE ON IGNITION

≤0.30%

0.13%

LOSS ON DRYING

≤0.30%

0.21%

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:0.74g/ml

CONCLUSION: PASSED TEST ACCORDING TO THE STANDARD OF USP24.