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 time：2012-02
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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