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High Quality N-Boc-L-Valine / Boc-Valine / CAS 13734 -41-3

Model NO.
py1066
Colour
White
Package
Carton
Shipping
FedEx
MOQ
1kg
Standard
USP Bp Ep
Transport Package
25kg/Drum
Specification
99%
Trademark
Puya
Origin
China
Production Capacity
10ton/Year
Reference Price
$ 27.00 - 72.00
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Product Description

N-Boc-L-Valine / Boc-Valine / CAS 13734-41-3
Product Name  N-Boc-L-valine / BOC-VALINE / CAS 13734-41-3
CAS NO. 13734-41-3
Appearance White Powder
Purity 99%
Melting Point 77-80 °C
Boiling Point 357.82°C
Density 1.1518
Application Medical raw materials; Boc- protective amino acid; Pharmaceutical raw materials; Biochemical reagent; Pharmaceutical intermediates; Amino acid; Intermediates
Usage N-Boc-L-valine is used as a pharmaceutical intermediate.

COA
Items

Standard

Result
Appearance White to almost white powder White powder
Individual impurity ≤0.10%
  		0.03%
Assay, on dry base 98.5%~101.0%
  		99.2%
 
Chromatographic Purity by HPLC ≥99.5%
  		99.8%
Enantiomers ≤0.1%
  		ND
Melting point 71C~84 ºC 76.5 ºC~80.5ºC
 
Specific rotation (20/D) -5.8 °~-6.8°(C=1, AcOH)
  		-6.0 °
Solubility Soluble in AcOEt (1g in 10ml) Clear
Lost on Drying ≤0.5% 0.23%
 
Boc-glycine ≤0.02 ND
Boc-alanine ≤0.02 0.02%
Boc-isoleucina ≤0.08% 0.02%
Boc-leucina ≤0.05% ND
Conclusion Conform to high purity grade standard
 
Package 25kg/barrel
Storage conditions
  		Store in a well-closed container, protected from light, at room temperature





 

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