| Product | Registration Number | EC |
|---|---|---|
| Guanidine HCl | 01-2119977063-35-0009 | 200-002-3 |
| HEPES | 01-2120054645-54-0011 | 230-907-9 |
| MES | 01-2120768754-40-0008 | 224-632-3 |
| MOPS | 01-2120747747-40-0007 | 214-478-5 |
| NaOH | 01-2119457892-27-0273 | 215-185-5 |
| Tris | 01-2119957659-16-0037 | 201-064-4 |
| Tris HCl | 01-2120301688-54-0009 | 214-684-5 |