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ChemicalBook >> CAS DataBase List >> Sildenafil DiMer IMpurity

Sildenafil DiMer IMpurity

Sildenafil DiMer IMpurity price.
  • $53 - $2200
  • Product name: Sildenafil DiMer IMpurity
  • CAS: 1346602-67-2
  • MF: C38H46N10O8S2
  • MW: 834.96
  • EINECS:
  • MDL Number:MFCD22683783
  • Synonyms:Sildenafil DiMer IMpurity;5-[2-ethoxy-5-[4-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylpiperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;Sildenafil Disulfonamide Dimer Impurity;Sildenafil Impurity 10(Sildenafil EP Impurity G);Sildenafil Impurity O;Sildenafil O;Sildenafil Impurity 6/Sildenafil EP Impurity G/Sildenafil Dimer Impurity/5,5′-[piperazin-1,4-diylbis[dioxo-λ6-sulfanediyl(2-ethoxy-5,1-phenylene)]]bis(1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one);7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5,5'-[1,4-piperazinediylbis[sulfonyl(6-ethoxy-3,1-phenylene)]]bis[1,6-dihydro-1-methyl-3-propyl-
Price14 Properties Safety Information Description
14 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • Chemenu
  • Medical Isotopes, Inc.
  • TRC
  • Usbiological
Package
  • 10mg
  • 25mg
  • 50mg
  • 100mg
  • Manufactureraablocks
  • Product numberAA00JNT6
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98%
  • Packaging10mg
  • Price$53
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00JNT6
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98%
  • Packaging25mg
  • Price$108
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00JNT6
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98%
  • Packaging50mg
  • Price$161
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00JNT6
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98%
  • Packaging100mg
  • Price$238
  • Updated2026-05-29
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0026620
  • Product descriptionSILDENAFIL DIMER IMPURITY 95.00%
  • Packaging10MG
  • Price$750.75
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0026620
  • Product descriptionSILDENAFIL DIMER IMPURITY 95.00%
  • Packaging100MG
  • Price$1963.5
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM290031
  • Product description5,5''-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97%
  • Packaging10mg
  • Price$238
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM290031
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97%
  • Packaging10mg
  • Price$238
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM290031
  • Product description5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97%
  • Packaging10mg
  • Price$238
  • Updated2026-05-26
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number53018
  • Product descriptionSildenafilDimerImpurity
  • Packaging100mg
  • Price$2200
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-S435020-100MG
  • Product descriptionSildenafil Dimer Impurity >95%(HPLC)
  • Packaging100mg
  • Price$1985
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-S435020-10MG
  • Product descriptionSildenafil Dimer Impurity >95%(HPLC)
  • Packaging10mg
  • Price$256
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberS435020
  • Product descriptionSildenafilDimerImpurity
  • Packaging10mg
  • Price$180
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number020939
  • Product descriptionSildenafil Dimer Impurity
  • Packaging10mg
  • Price$502
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00JNT6 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98% 10mg $53 2026-05-29 Buy
aablocks AA00JNT6 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98% 25mg $108 2026-05-29 Buy
aablocks AA00JNT6 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98% 50mg $161 2026-05-29 Buy
aablocks AA00JNT6 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 98% 100mg $238 2026-05-29 Buy
American Custom Chemicals Corporation API0026620 SILDENAFIL DIMER IMPURITY 95.00% 10MG $750.75 2021-12-16 Buy
American Custom Chemicals Corporation API0026620 SILDENAFIL DIMER IMPURITY 95.00% 100MG $1963.5 2021-12-16 Buy
Chemenu CM290031 5,5''-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97% 10mg $238 2021-12-16 Buy
Chemenu CM290031 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97% 10mg $238 2026-05-20 Buy
Chemenu CM290031 5,5'-((Piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one) 97% 10mg $238 2026-05-26 Buy
Medical Isotopes, Inc. 53018 SildenafilDimerImpurity 100mg $2200 2021-12-16 Buy
TRC TRC-S435020-100MG Sildenafil Dimer Impurity >95%(HPLC) 100mg $1985 2026-06-03 Buy
TRC TRC-S435020-10MG Sildenafil Dimer Impurity >95%(HPLC) 10mg $256 2026-06-03 Buy
TRC S435020 SildenafilDimerImpurity 10mg $180 2021-12-16 Buy
Usbiological 020939 Sildenafil Dimer Impurity 10mg $502 2026-06-03 Buy

Properties

Melting point :>300oC (dec.)
Boiling point :1014.2±75.0 °C(Predicted)
Density :1.49±0.1 g/cm3(Predicted)
storage temp. :Refrigerator
solubility :DMSO (Slightly), Methanol (Sparingly)
pka :0.92±0.20(Predicted)
form :Solid
color :White to Off-White
InChIKey :OPIJAYPVGDPKAA-UHFFFAOYSA-N
SMILES :N1(S(C2C=CC(OCC)=C(C3NC(=O)C4N(C)N=C(CCC)C=4N=3)C=2)(=O)=O)CCN(S(C2C=CC(OCC)=C(C3NC(=O)C4N(C)N=C(CCC)C=4N=3)C=2)(=O)=O)CC1

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

A dimeric impurity of Sildenafil (S435000)

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4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide. De(Methypiperazinyl) Sildenafil DiMer IMpurity Desethyl Sildenafil 1391053-95-4 139756-01-7 Homo Sildenafil DESMETHYL SILDENAFIL Sildenafil EP IMpurity D Pyrazole N-Demethyl Sildenafil 4-AMINO-1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLIC ACID AMIDE 5-CHLOROSULFONYL-2-ETHOXYBENZOIC ACID 5-chloro-2-ethoxybenzoic acid 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 139756-21-1 1H-Pyrazolo[4,3-d]pyriMidine, 3-(2-Methylpropyl)- 2-Ethoxybenzoyl chloride salicyloyl chloride 17243-13-9 Thiosildenafil 1-METHYL-3-PROPYLPYRAZOLE-5-CARBOXYLIC ACID

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Suppliers and manufacturers

Standardpharm Co. Ltd.
sgtlifesciences pvt ltd
Moxin Chemicals
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
QUALITY CONTROL SOLUTIONS LTD. Shanghai Xiang Xin Industrial Co., Ltd. Adamas Reagent, Ltd. Chemsky（shanghai）International Co.,Ltd. Daicel Chiral Technologies (China)CO.,LTD S.Z. PhyStandard Bio-Tech. Co., Ltd.