Glycine
USP/1295800 - United States Pharmacopeia (USP) Reference Standard
Synonym: Aminoacetic acid; Aminoethanoic acid; Glycocoll
CAS Number: 56-40-6
Empirical Formula (Hill Notation): C2H5NO2
Molecular Weight: 75.07
MDL Number: MFCD00008131
Linear Formula: NH2CH2COOH
Product Type: Chemical
| API family | glycine |
| application(s) | pharmaceutical (small molecule) |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C2H5NO2/c3-1-2(4)5/h1, |
| InChI key | DHMQDGOQFOQNFH-UHFFFAOYSA |
| manufacturer/tradename | USP |
| mp | 240 °C (dec.) (lit.) |
| pH | 4(0.2 molar aqueous solution) |
| pKa (25 °C) | (1) 2.35, (2) 9.60 |
| 2.35 | |
| SMILES string | NCC(O)=O |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| Application: | Glycine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as: • Glycine Irrigation • Theophylline Sodium Glycinate • Glycyl-l-tyrosine • Glycyl-l-glutamine • Pyrroloquinoline Quinone Disodium |
| Biochem/physiol Actions: | Inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors. |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia ![]() |
| Other Notes: | Sales restrictions may apply. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| mp | 240 °C (dec.) (lit.) |
| UNSPSC | 41116107 |

