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ChemicalBook >> CAS DataBase List >> 3-(2-Pyridyldithio)propanoic Acid

3-(2-Pyridyldithio)propanoic Acid

3-(2-Pyridyldithio)propanoic Acid price.
  • $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
56 prices
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  • aablocks
  • Abosyn
  • Absolute Chiral
  • ACHEMBLOCK
  • Activate Scientific
  • AK Scientific
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  • BroadPharm
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  • ChemScene
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging500mg
  • Price$50
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging1g
  • Price$56
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging100mg
  • Price$16
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging250mg
  • Price$38
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging5g
  • Price$180
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA005P62
  • Product description3-(2-Pyridyldithio)propanoic Acid 97%
  • Packaging25g
  • Price$718
  • Updated2026-05-28
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging10g
  • Price$562
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging25g
  • Price$984
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging1g
  • Price$82
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging0.5g
  • Price$66
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging0.25g
  • Price$58
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-4328
  • Product description3-(2-Pyridyldithio)propanoic Acid ≧95%(Puritymayvarybetweenbatches)
  • Packaging5g
  • Price$332
  • Updated2026-05-21
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  • ManufacturerAbsolute Chiral
  • Product numberA2022-00-N
  • Product description3-(pyridin-2-yldisulfanyl)propanoic acid 95%
  • Packaging250mg
  • Price$42
  • Updated2026-05-23
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  • ManufacturerAbsolute Chiral
  • Product numberA2022-00-N
  • Product description3-(pyridin-2-yldisulfanyl)propanoicacid 95%
  • Packaging100mg
  • Price$98
  • Updated2021-12-16
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  • ManufacturerACHEMBLOCK
  • Product numberS74523
  • Product description3-(pyridin-2-yldisulfanyl)propanoic acid 97%
  • Packaging5G
  • Price$160
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberS74523
  • Product description3-(pyridin-2-yldisulfanyl)propanoic acid 97%
  • Packaging25G
  • Price$640
  • Updated2026-05-27
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA005P62 3-(2-Pyridyldithio)propanoic Acid 97% 500mg $50 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% 100mg $16 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% 5g $180 2026-05-28 Buy
aablocks AA005P62 3-(2-Pyridyldithio)propanoic Acid 97% 25g $718 2026-05-28 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) 25g $984 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) 0.5g $66 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) 5g $332 2026-05-21 Buy
Absolute Chiral A2022-00-N 3-(pyridin-2-yldisulfanyl)propanoic acid 95% 250mg $42 2026-05-23 Buy
Absolute Chiral A2022-00-N 3-(pyridin-2-yldisulfanyl)propanoicacid 95% 100mg $98 2021-12-16 Buy
ACHEMBLOCK S74523 3-(pyridin-2-yldisulfanyl)propanoic acid 97% 5G $160 2026-05-27 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

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.

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.

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