Home > Offer to Sell > Pharmaceuticals and Biochemicals > Antianaphylaxis(antihistamines) and antidotes > DL-Pyroglutamic acid 147-87-1

DL-Pyroglutamic acid 147-87-1

Inquiry
  Post Date: Jul 24,2017
  Expiry Date: Jul 24,2018
  Detailed Description: Cas No. :149-87-1 Quantity: 1Metric Tons
Payment Method: T/T
Product Name: H-DL-Pyr-OH CAS#: 149-87-1
Synonyms: DL-Pyroglutamic acid Molecular Formula: C5H7NO3
Molecular Weight: 129

Specification: (Reference Standard: AJI92)
Items
Standard
Analysis data

Appearance
White crystalline powder
Conforms

Melting Point(ºC)
160.0 to 162.0ºC
160.5ºC

Chloride(C1)
Not more than0.02%
0.01%

Ammonium(NH4)
Not more than0.02%
Conforms

Sulfate(SO4)
Not more than 0.02%
0.005%

Heavy metals(Pb)
Not more than 10ppm
Conforms

Iron(Fe)
Not more than 10ppm
6ppm

Arsenic(As2O3)
Not more than 1ppm
Conforms

Loss on drying
Not more than 0.50%
0.36%

Residue on ignition
Not more than0.1%
Conforms

Assay
98.0-101.0%



  CAS Registry Number:

149-87-1

  Synonyms: ;DL-2-Pyrrolidone-5-Carboxylic Acid;Dl-5-Oxoproline;H-Dl-Pyr-Oh;Dl-Proline, 5-Oxo-;(+/-)-2-Pyrrolidone-5-Carboxylic Acid;2-Pyrrolidone-5-Carboxylic Acid;(+/-)-2-Pyrrolidinone-5-Carboxylic Acid;5-Oxo-Dl-Proline;Dl-A-Pyroglutamic Acid;Dl-Glutamic Acid Lactam;5-oxo-L-proline;
  Molecular Formula: C5H7NO3
  Molecular Weight: 129.114
  Molecular Structure: 149-87-1 DL-Pyroglutamic acid
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: SICHUAN TONGSHENG AMINO ACID CO., LTD     [ China ]          
  Contact: Ronghu Chen
  Tel: 0838-2274206/2809458
  Fax: 0838-2274207
  Email: sales@biots.cn
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.