3-(2-Pyridyldithio)propanoic Acid
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- $16 - $2178.33
- Product name: 3-(2-Pyridyldithio)propanoic Acid
- CAS: 68617-64-1
- MF: C8H9NO2S2
- MW: 215.29
- EINECS:
- MDL Number:MFCD18252554
- Synonyms:3-(PYRIDIN-2-YLDITHIO)PROPANOIC ACID;3-(2-Pyridyldithio)propionic acid-HCl (PDPA-HCl);3-(2-Pyridyldithio)propionic acid;2-Carboxyethyl 2-Pyridyl Disulfide;3-(2-Pyridinyldithio)propanoic Acid;3-(2-Pyridyldithio)propanoic Acid;Propanoic acid, 3-(2-pyridinyldithio)-;SPDP acid
69 prices
Selected condition:
Brand
- aablocks
- Abosyn
- Absolute Chiral
- ACHEMBLOCK
- Activate Scientific
- AK Scientific
- American Custom Chemicals Corporation
- Biosynth
- BroadPharm
- Chem-Impex
- ChemScene
- Crysdot
- Labseeker
- Medical Isotopes, Inc.
- TCI Chemical
- TRC
- Usbiological
Package
- 50MG
- 100mg
- 250mg
- 0.25g
- 0.5g
- 500mg
- 1g
- 1000mg
- 2000mg
- 2.5G
- 5000mg
- 5g
- 10g
- 25g
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging5g
- Price$180
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging25g
- Price$718
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging1g
- Price$56
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging500mg
- Price$50
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging250mg
- Price$38
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA005P62
- Product description3-(2-Pyridyldithio)propanoic Acid 97%
- Packaging100mg
- Price$16
- Updated2026-05-28
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging25g
- Price$984
- Updated2026-05-21
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging10g
- Price$562
- Updated2026-05-21
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging0.25g
- Price$58
- Updated2026-05-21
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging0.5g
- Price$66
- Updated2026-05-21
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging1g
- Price$82
- Updated2026-05-21
- Buy
- ManufacturerAbosyn
- Product number10-4328
- Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
- Packaging5g
- Price$332
- Updated2026-05-21
- Buy
- ManufacturerAbsolute Chiral
- Product numberA2022-00-N
- Product description3-(pyridin-2-yldisulfanyl)propanoicacid 95%
- Packaging100mg
- Price$98
- Updated2021-12-16
- Buy
- ManufacturerAbsolute Chiral
- Product numberA2022-00-N
- Product description3-(pyridin-2-yldisulfanyl)propanoic acid 95%
- Packaging250mg
- Price$42
- Updated2026-05-23
- Buy
- ManufacturerACHEMBLOCK
- Product numberS74523
- Product description3-(pyridin-2-yldisulfanyl)propanoic acid 97%
- Packaging25G
- Price$640
- Updated2026-05-25
- Buy
- ManufacturerACHEMBLOCK
- Product numberS74523
- Product description3-(pyridin-2-yldisulfanyl)propanoic acid 97%
- Packaging25G
- Price$640
- Updated2026-05-27
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 5g | $180 | 2026-05-28 | Buy |
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 25g | $718 | 2026-05-28 | Buy |
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 1g | $56 | 2026-05-28 | Buy |
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 500mg | $50 | 2026-05-28 | Buy |
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 250mg | $38 | 2026-05-28 | Buy |
| aablocks | AA005P62 | 3-(2-Pyridyldithio)propanoic Acid 97% | 100mg | $16 | 2026-05-28 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 25g | $984 | 2026-05-21 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 10g | $562 | 2026-05-21 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 0.25g | $58 | 2026-05-21 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 0.5g | $66 | 2026-05-21 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 1g | $82 | 2026-05-21 | Buy |
| Abosyn | 10-4328 | 3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches) | 5g | $332 | 2026-05-21 | Buy |
| Absolute Chiral | A2022-00-N | 3-(pyridin-2-yldisulfanyl)propanoicacid 95% | 100mg | $98 | 2021-12-16 | Buy |
| Absolute Chiral | A2022-00-N | 3-(pyridin-2-yldisulfanyl)propanoic acid 95% | 250mg | $42 | 2026-05-23 | Buy |
| ACHEMBLOCK | S74523 | 3-(pyridin-2-yldisulfanyl)propanoic acid 97% | 25G | $640 | 2026-05-25 | Buy |
| ACHEMBLOCK | S74523 | 3-(pyridin-2-yldisulfanyl)propanoic acid 97% | 25G | $640 | 2026-05-27 | Buy |
Properties
Melting point :71-73°C
Boiling point :390.4±38.0 °C(Predicted)
Density :1.38±0.1 g/cm3(Predicted)
storage temp. :-20°C Freezer
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form :Solid
pka :4.18±0.10(Predicted)
color :Off-White to Pale Beige
InChI :InChI=1S/C8H9NO2S2/c10-8(11)4-6-12-13-7-3-1-2-5-9-7/h1-3,5H,4,6H2,(H,10,11)
InChIKey :DJBRKGZFUXKLKO-UHFFFAOYSA-N
SMILES :C(O)(=O)CCSSC1=NC=CC=C1
Boiling point :390.4±38.0 °C(Predicted)
Density :1.38±0.1 g/cm3(Predicted)
storage temp. :-20°C Freezer
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form :Solid
pka :4.18±0.10(Predicted)
color :Off-White to Pale Beige
InChI :InChI=1S/C8H9NO2S2/c10-8(11)4-6-12-13-7-3-1-2-5-9-7/h1-3,5H,4,6H2,(H,10,11)
InChIKey :DJBRKGZFUXKLKO-UHFFFAOYSA-N
SMILES :C(O)(=O)CCSSC1=NC=CC=C1
Safety Information
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Description
3-(2-Pyridyldithio)propanoic Acid (SPDP acid) contains SPDP and carboxylic acid moieties. The SPDP react with amine and thiol groups and are commonly used in the crosslinking of proteins. The carboxylic acid can react with primary amines in the presence of EDC and HATU, to form stable amide bonds.More related product prices
3-(2-Pyridyldithio)propanoic AcidRelated product price
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3-(2-Pyridyldithio)propanoic Acid
$16-2178.33
Suppliers and manufacturers
TargetMol Chemicals Inc.
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TargetMol Chemicals Inc.
Hubei Ipure Biology Co., Ltd
Career Henan Chemica Co
HONG KONG IPURE BIOLOGY CO.,LIMITED
Henan Alfa Chemical Co., Ltd
Jiangxi Huihe Chemical Co., Ltd.
3-(2-Pyridyldithio)propanoic Acid
CAS:68617-64-1




