L-Valine CAS：72-18-4 CAS NO.72-18-4

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L-Valine CAS：72-18-4
CAS：72-18-4
L-Valine

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ProName: L-Valine CAS：72-18-4
CasNo: 72-18-4
Molecular Formula: C5H11NO2
Appearance: White crystals or crystalline powder
Application: medical intermediate
DeliveryTime: 3 days
PackAge: 10g/bag,100g/bag,1kg/bag, 10kg/drum,25...
Port: qingdao
ProductionCapacity: 25 Kilogram/Month
Purity: 99%
Storage: Seal kept ventilated place
Transportation: safe & timely,
LimitNum: 1 Kilogram
Related Substances: meet standard
Residue on Ignition: ≤0.10%
Heavy Metal: ≤15ppm
Valid Period: 2 years

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9. Cargoes together with container after-sales service available

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11. Raw materials from Chinese origin

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Details

Product Name:	L-Valine
Synonyms:	(S)-(+)-VALINE;(S)-ALPHA-AMINOISOVALERIC ACID;VALINE, L-;VALINE;2-AMINO-3-METHYLBUTANOIC ACID;2-AMINOISOVALERIC ACID;H-VAL-OH;H-L-VAL-OH
CAS:	72-18-4
MF:	C5H11NO2
MW:	117.15
EINECS:	200-773-6
Product Categories:	Amino Acids;Amino Acid Derivatives;Valine [Val, V];Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;Amino Acids;amino
Mol File:	72-18-4.mol

L-Valine Chemical Properties

Melting point	295-300 °C (subl.)(lit.)
alpha	28 º (c=8, 6N HCl)
density	1.23
refractive index	28 ° (C=8, HCl)
storage temp.	Store at RT.
solubility	H₂O: 25 mg/mL
form	powder
Water Solubility	85 g/L (20 ºC)
Merck	14,9909
BRN	1721136
CAS DataBase Reference	72-18-4(CAS DataBase Re

Item

Limit

Result

Appearance

White crystals or crystalline powder

Conforms

Identification

Concordant with the reference spectrum

Conforms

Assay

98.5% - 101.5%

99.12%

Specific rotation[a]D²⁰^°

+26.6°~+28.8°

+27.3°

Chloride (Cl)

≤0.05%

<0.05%

Sulfate(SO4)

≤0.03%

<0.03%

Iron(Fe)

≤30ppm

<30ppm

Heavy metals(Pb)

≤15ppm

<15ppm

Arsenic(As)

≤1.5ppm

<1.5ppm

5.5~7.0

6.42

Loss on drying

≤0.30%

0.06%

Residue on ignition

≤0.10%

0.07%

Organic Volatile Impurities

Meet the requirements

confirms

Conclusion

Qualified (usp24)

L-Valine CAS：72-18-4 CAS NO.72-18-4

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