| Section: 13 | Unclassified materials (UC) | Page: 45 | 
IRUG filename: IUC00045  | Data type: Infrared  | IRUG material class: Unclassified materials (UC)  | 
Sample type: Reference material  | Common name(s): Urea  | Chemical/botanical name(s): Carbonyl diamide, diaminomethanone  | 
CAS name: Urea  | Sample source 1: Sigma  | Source location 1: 3050 Spruce St., Saint Louis, MO 63103, US  | 
Sample identifier 1: Urea, U5378  | Sample source 2: Philadelphia Museum of Art  | Source location 2: Box 7646, Philadelphia, PA, 19101, US  | 
Sample identifier 2: Urea, U5378  | Color: White  | MW (relative): 60.06, calculated  | 
Application: MFTIR (Fourier transform infrared microspectroscopy)  | Mode: Tran  | Originating institution name: Philadelphia Museum of Art  | 
Originating institution acronym: PMA  | Molecular formula: C H4 N2 O  | Linear formula: CO(NH2)2  | 
CAS registry no: 57-13-6  | 
IRUG Structure Tracking #: 1160 Common Name(s): Urea Chemical Name(s): Carbonyl diamide, Diaminomethanone, Carbonyldiamine CAS Name: Urea CAS Registry No: 57-13-6 IRUG Material Class: Unclassified materials (UC) Linear Formula: NH2CONH2 MW: 60.06  |