Synonym: 1,7-Dimethylxanthine; 1,7-DIMETHYL-3,7-DIHYDRO- 1H-PURINE-2,6-DIONE; 1,7-Dimethyl-1H-purine-2,6-dione; 1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione; 2,6-Dihydroxy-1,7-dimethylpurine; NSC 400018; Paraxanthine
CAS Number: 611-59-6
Empirical Formula (Hill Notation): C7H8N4O2
Molecular Weight: 180.16
MDL Number: MFCD00005727
Linear Formula: C7H8N4O2
Product Type: Chemical
application(s) |
pharmaceutical (small molecule) |
CofA |
current certificate can be downloaded |
form |
solid |
grade |
certified reference material |
|
pharmaceutical secondary standard |
InChI |
1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)11(2)7(13)9-5/h3H,1-2H3,(H,9,13) |
InChI key |
QUNWUDVFRNGTCO-UHFFFAOYSA-N |
mp |
294-296 °C (lit.) |
packaging |
pkg of 50 mg |
Quality Level |
300 ![External link](https://krackeler.com/images/sigma/ext-link.gif) |
SMILES string |
CN1C(=O)Nc2ncn(C)c2C1=O |
storage temp. |
2-30°C |
Analysis Note: |
These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. |
Footnote: |
To see an example of a Certificate of Analysis for this material enter LRAB4748 in the Documents slot below. This is an example certificate only and may not be the lot that you receive. |
General description: |
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards |
Other Notes: |
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. |
Symbol |
GHS07 |
Signal word |
Warning |
Hazard statements |
H302 |
Precautionary statements |
P301 + P312 + P330 |
RIDADR |
NONH for all modes of transport |
WGK Germany |
WGK 3 |
Flash Point(F) |
Not applicable |
Flash Point(C) |
Not applicable |
mp |
294-296 °C (lit.) |
Storage Temp. |
2-30°C |
UNSPSC |
12352200 |