Boc-L-叔亮氨酸

  Nanjing Y Bio-pharmaceutical Inc.
Address: Building B, Dingyebaitai Mansion 10 Xinhuo Road Gaoxin DistrictNanjing city, Jingsu Province China    Zip code: 210032
Tel:86-25-58855549 Fax: 86-25-58855691  email: lygydd@   
          检  验  报  告  书
REPORT  FOR  TESTING  QUALITY

品名：Boc-L-叔亮氨酸
PRODUCT：Boc-L-tert-Leucine
CAS：62965-35-9

Batch No.	2016020302	Mfg. DATE	2016-02-03
Packing	25 kg/Drum	Expiry Date	2018-02-06
Quantity	500kg	Report Date	2016-02-15
Standard	Enterpise Standard
				
SI. No.	Test parameter	Specification	Result
1	 Appearance	white to off-white powder	White powder
2	 Identification	IR and HPLC	Conforms
3	 Water content by KF (% w/w)	≤0.5%	0.04%
4	 Loss on drying	≤1.0%	0.25%
5	 Residue on ignition (% w/w)	≤0.2%	0.10%
6	 Enantiomer content by chiral HPLC	≤0.1%	Not detected
7	 Purity by HPLC	≥98.0%	99.15%
	   a. N-Acetyl L-tertiary Leucine	≤0.05%	Not detected
	   b. Methoxycarbonyl -L-Valine	≤0.10%	Not detected
	   c. Any individual unknown impurity	≤0.3%	0.20%
	   d. Total impurities	≤1.0%	0.20%
8	 Assay by Titration	98.0% to 102.0%	100.24%