Boc-l-pyroglutamic Acid Ethyl Ester/boc-l-pyr.oet

Price : Price Negotiable
Quantity : 1000 (kilogram)
Minimum Order : 1
Product Status : New
Sample Available : yes
Shipment Terms : fob,cfr,cif,Negotiable
Payment Mode : T/T,WesternUnion,Negotiable
Categories : Chemicals, Pharmaceutical Chemicals
Posted By :

Sichuan Tongsheng Amino Acid Co.,ltd

Description

Product Name: Boc-Pyr-OEt CAS#144978-12-1

Synonyms: Boc-L-Pyroglutamic acid ethyl ester Molecular Formula: C12H19NO5

Molecular Weight: 257.3

Manufacture time:2010-02-04 Batch No.:100204

Testing time:2010-02-04 Expiry time2012-02

Specifications:

Items

Standard

Analysis data

Specific Rotation [20/D]

(C=2 in CH3CH2OH)

-43 to -39

-40.5

Related Substance (TLC)

One spot

Conforms

Melting Point

49 to 55

51

Loss on Drying

Not more than 0.50%

0.26%

Purity (HPLC)

Not less than 98.0%

99.0%

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