1,5-Pentanedithiol 1,5-dimercaptopentane 1,5-pentanedithiol 98+% 1,5-pentanodithiol 928-98-3 Pentamethylene dimercaptan pentamethylenedimercaptane pentamethylenedithiol pentane-1,5-dithiol CAS 928-98-3
| CAS No. | 928-98-3 |
| Molecular Formula | C5H12S2 |
| Molecular Weight | 136.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,5-Pentanedithiol 1,5-dimercaptopentane 1,5-pentanedithiol 98+% 1,5-pentanodithiol 928-98-3 Pentamethylene dimercaptan pentamethylenedimercaptane pentamethylenedithiol pentane-1,5-dithiol.
1,5-Pentanedithiol 1,5-dimercaptopentane 1,5-pentanedithiol 98+% 1,5-pentanodithiol 928-98-3 Pentamethylene dimercaptan pentamethylenedimercaptane pentamethylenedithiol pentane-1,5-dithiol (CAS 928-98-3), molecular formula C5H12S2 and molecular weight 136.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,5-Pentanedithiol 1,5-dimercaptopentane 1,5-pentanedithiol 98+% 1,5-pentanodithiol 928-98-3 Pentamethylene dimercaptan pentamethylenedimercaptane pentamethylenedithiol pentane-1,5-dithiol (C5H12S2) contains sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 136.28 g/mol, it falls into the low-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,5-Pentanedithiol 1,5-dimercaptopentane 1,5-pentanedithiol 98+% 1,5-pentanodithiol 928-98-3 Pentamethylene dimercaptan pentamethylenedimercaptane pentamethylenedithiol pentane-1,5-dithiol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H12S2 |
| Molecular Weight | 136.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |
Recommended Standards
- Bis(ethylthio)methane (CAS 4396-19-4)
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- 3-(Ethylthio)propane-1-thiol (CAS 36044-02-7)
- 1,1,1-Trichloroethane-d3 (CAS 2747-58-2)
- 4-{2-[(4-chlorophenyl)methanesulfinyl]-6-(methoxymethyl)pyrimidin-4-yl}morpholine (CAS 477711-95-8)
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- 5-(Acetamidomethyl)thiophene-2-carboxylic acid (CAS 1114822-83-1)
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- Brivaracetam impurity 99 (CAS 1262340-23-7)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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