D-Pyroglutamic acid ethyl ester/D-Pyr-OEt/68766-96-1

Appearance White to off white crystal Conforms
Specific Rotation [20/D]
(C=1 in Acoh) +2~4° +2.25º
Purity (HPLC) Not less than 98.0% 99.0%

Product Name:BOC-Gly-Otbu CAS #: 111652-20-1-1
Synonyms:N-(tert-Butoxycarbonyl)glycinetert-butyl ester
Molecular Formula: C11H21NO4 Molecular Weight: 231.29
brhrbrAppearance White crystals conforms
Melting Point (¡æ) 66 to 68¡æ 66¡æ q...

Appearance White or off-white powder Conforms
Specific rotation(a)D20
(c=1 in CHCl3 ) -63o to -67º -65.2o
Melting Point (ºC) 92ºC to 96 ºC 92ºC
Loss on drying Not more than 0.50% 0.39%
Purity Not less than 98.0% 99.1%
Conclusion The product conforms to the standard.

Product Name Boc-Pyr-OEt
CAS No. 144978-12-1
Synonyms N-Boc-L-pyroglutamic acid ethyl ester
Purity 98.0% min
Molecular Formula C12H19NO5
Molecular Weight 257.3

Product Name: Boc-Pyr-OMe CAS#: 108963-96-8
Synonyms: Boc-L-Pyroglutamic acid methyl ester
Molecular Formula: C11H17NO5
Molecular Weight: 243.3
Manufacture time: 2013-02-04 Batch No.:20130204
Testing time: 2013-03-10 Expir...

Product Name: Benzyl-BOC-Pyroglutamate CAS#: 113400-36-5
Molecular Formula: C17H21NO5
Molecular Weight: 319.35
Manufacture time: 2012-08-11 Batch No.: 20120811
Testing time: 2013-01-12 Expiry time: 2012-08
brhrbrAppearance W...

Product Name: H-D-Pyr-OH
CAS#: 4042-36-8

Synonyms: D-Pyroglutamic acid
Molecular Formula: C5H7NO3

Molecular Weight: 129

brhrbrAppearance
White crystals with lumps

Specific rotation[a]D/20

(C=2 in H2O)
+10.8°to +12.3°
...

Product Name: H-D-Trp-OMe•HCl CAS#: 14907-27-8
Synonyms: D-Tryptophan methyl ester Hydrochloride
Molecular Formula: C12H14N2O2•HCl
Molecular Weight: 254.72
Manufacture time:2012-09-0 1 Batch No.:20120901
Testing time:2012...

Product Name: H-DL-Pyr-OH
CAS#: 149-87-1

Synonyms: DL-Pyroglutamic acid
Molecular Formula: C5H7NO3

Molecular Weight: 129

brhrbrAppearance
White crystalline powder

Melting Point(ºC)
160.0 to 162.0ºC

Chloride(C1) qq...

Product Name: L-Arg-L-Asp CAS#: 7675-83-4
Synonyms: L-Arginine-L-Aspartate Molecular Formula: C10H21N5O6
Molecular Weight: 307.31
Manufacture time:2013-02-17 Batch No.:20130217
Testing time:2013-03-06...

Product Name: L-Lys-L-Glu CAS#: 5408-52-6
Synonyms: L-Lysine-L-Glutamate Dihydrate Molecular Formula: C11H23N3O6.2H2O
Molecular Weight: 329.35
Manufacture time:2012-10-15 Batch No.:20121015
Testing time: 2012-10-17 ...

Product Name L-Prolinamide
CAS No. 7531-52-4
Synonyms H-Pro-NH2
Purity 98.0% min
Molecular Formula C5H11N2O
Molecular Weight 115.15