D-Pyroglutamic acid

MDL：
MFCD00066212

Molecular Formula：
C5H7NO3

Molecular Weight：
129.11

Alias：
(R)-(+)-2-Pyrrolidone-5-carboxylic acid (R)-5-Oxo-2-pyrrolidinecarboxylic acid D-Glutamic Acid Lactam D-5-Oxo-2-pyrrolidinecarboxylic acid

Product order：

Name	Specifications	Packing	Price	Delivery
D-Pyroglutamic acid	98%	5g	RMB 308	Consulting service
D-Pyroglutamic acid	98%	25g	RMB 1485	Consulting service
D-Pyroglutamic acid	98%	100g	RMB 4180	Consulting service

Character：
溶于水。
熔点：162℃
比旋光度[α]20D : 10 ° (C=5, H2O)   

Quality Standard：
外观Appearance                          白色粉末或结晶
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              97.5%-102.5%(中和滴定)
纯度Purity                              ≥98.0% (GC)  
熔点Melting point                       159°C - 164°C
比旋光度Specific rotation [a]20/D       +9.5°～ +12.5°(C=5, H2O)