All Inorganic Standards are Certified Reference Materials, produced and calibrated under CPAchem's quality system that is:
- ISO 9001 certified.
- accredited according to ISO/IEC 17025 - Testing
- accredited according to ISO 17034 - Reference Material Producer
| 1x | Glutathione reduced form CAS:70-18-8 | EUR 61.00 |
| 1x | 4-Amino-3-phenylbutanoic acid CAS:1078-21-3 | EUR 73.00 |
| 1x | DL-Phenylalanine CAS:150-30-1 EC:205-756-7 | EUR 42.00 |
| 3x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -3.00 |