ChemicalBook >> CAS DataBase List >>Sildenafil EP IMpurity D
Sildenafil EP IMpurity D
- CAS No.
- 1357931-55-5
- Chemical Name:
- Sildenafil EP IMpurity D
- Synonyms
- 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid;Sildenafil D;SildefilEPImpurityD;Sildenafil impurity D;Sildenafil EP IMpurity D;Sildenafil citrate (SD-C);Methisosildenafil Impurity 19;Sildenafil Citrate Impurity D;Sildenafil Citrate EP Impurity D;Demethylpiperaziny sildenafil sulfonic acid
- CBNumber:
- CB82675677
- Molecular Formula:
- C17H20N4O5S
- Molecular Weight:
- 392.43
- MDL Number:
- MFCD22683782
- MOL File:
- 1357931-55-5.mol
- MSDS File:
- SDS
Last updated:2026-05-28 05:54:12
| Product description | Number | Pack Size | Price |
| Demethylpiperazinyl sildenafil sulfonic acid | ID166407 | 10mg | $158.9 |
| Demethylpiperazinyl sildenafil sulfonic acid | ID166407 | 25mg | $317.5 |
| Demethylpiperazinyl sildenafil sulfonic acid | ID166407 | 50mg | $481.5 |
| Demethylpiperazinyl sildenafil sulfonic acid | ID166407 | 100mg | $756 |
| Demethylpiperazinyl sildenafil sulfonic acid | ID166407 | 250mg | $1650 |
| More product size | |||
| Density | 1.48±0.1 g/cm3(Predicted) |
|---|---|
| storage temp. | Storage temp. 2-8°C |
| solubility | DMSO (Slightly), Methanol (Slightly, Sonicated), Water (Slightly) |
| pka | -0.81±0.50(Predicted) |
| form | Solid |
| color | White to Light Brown |
| Stability | Hygroscopic |
| InChI | InChI=1S/C17H20N4O5S/c1-4-6-12-14-15(21(3)20-12)17(22)19-16(18-14)11-9-10(27(23,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H,18,19,22)(H,23,24,25) |
| InChIKey | DFABUTFBIDMPKZ-UHFFFAOYSA-N |
| SMILES | C1(S(O)(=O)=O)=CC=C(OCC)C(C2NC(=O)C3N(C)N=C(CCC)C=3N=2)=C1 |
| FDA UNII | XVD449DO1O |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H335-H319 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P |
Sildenafil EP IMpurity D price More Price(17)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Biosynth | ID166407 | Demethylpiperazinyl sildenafil sulfonic acid | 1357931-55-5 | 10mg | $158.9 | 2026-06-04 | Buy |
| Biosynth | ID166407 | Demethylpiperazinyl sildenafil sulfonic acid | 1357931-55-5 | 25mg | $317.5 | 2026-06-04 | Buy |
| Biosynth | ID166407 | Demethylpiperazinyl sildenafil sulfonic acid | 1357931-55-5 | 50mg | $481.5 | 2026-06-04 | Buy |
| Biosynth | ID166407 | Demethylpiperazinyl sildenafil sulfonic acid | 1357931-55-5 | 100mg | $756 | 2026-06-04 | Buy |
| Biosynth | ID166407 | Demethylpiperazinyl sildenafil sulfonic acid | 1357931-55-5 | 250mg | $1650 | 2026-06-04 | Buy |
Sildenafil EP IMpurity D Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 87)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Moxin Chemicals | +86-17320513646 +8617320513646 | anna@molcoo.com | China | 10000 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29792 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
| sgtlifesciences pvt ltd | +8617013299288 | dj@sgtlifesciences.com | China | 12373 | 58 |
| Sinco Pharmachem (ShenZhen) R&D Co., Ltd. | +undefined18603013401 | jack.lin@sincopharmachem.com | China | 10000 | 58 |
| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +8613670046396 | export03@qcsrm.com | China | 24342 | 58 |
| Shanghai Xiang Xin Industrial Co., Ltd. | 021-50211651 13651607026 | sales@xxgmpharm.com | China | 495 | 58 |
| Hubei Xinyang Medical Technology Co., Ltd | 15347293736 | 2853117764@yongstandards.com | China | 9999 | 58 |
| Nantong Hanfang Biotechnology Co. , Ltd. | hanfangpharma@126.com 18017580634 | hanfangpharma@126.com | China | 25801 | 58 |
View Lastest Price from Sildenafil EP IMpurity D manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-25 | Sildenafil EP Impurity D
1357931-55-5
|
10mg | 95%+ | 10000 | Moxin Chemicals | ||
 |
2025-12-16 | Sildenafil EP Impurity D
1357931-55-5
|
10mg | 99%+ HPLC | 1000 | Moxin Chemicals | ||
![4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid pictures](https://img.chemicalbook.com/ProductImageEN/2020-2/Small/63a3b948-0563-4c3c-9a37-5a6b33b5c685.jpg) |
2020-02-11 | 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
1357931-55-5
|
$9.80 | 1g | ＞98% | 20 tons | Career Henan Chemical Co |
-
- Sildenafil EP Impurity D
1357931-55-5
- 95%+
- Moxin Chemicals
-
- Sildenafil EP Impurity D
1357931-55-5
- 99%+ HPLC
- Moxin Chemicals
-
- 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
1357931-55-5
- $9.80
- ＞98%
- Career Henan Chemical Co
1357931-55-5(Sildenafil EP IMpurity D)Related Search:
7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-
5-chloro-2-ethoxybenzoic acid
4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide.
De(Methypiperazinyl) Sildenafil DiMer IMpurity
4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
Propoxyphenyl Sildenafil
DESMETHYL SILDENAFIL
Homo Sildenafil
Sildenafil impurity
Sildenafil DiMer IMpurity
SILDENAFIL N-OXIDE
7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide
1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide
5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one
1of4
Sildenafil EP IMpurity D
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid
Sildenafil impurity D
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
Methisosildenafil Impurity 19
Sildenafil D
Sildenafil Impurity 4(Sildenafil EP Impurity D)
Sildenafil Impurity 4/Sildenafil EP Impurity D/
Demethylpiperazinyl Sildenafil Sulfonic Acid/4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[
Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-
Imp. D (Pharmeuropa): 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1Hpyrazolo[4,3-d]-pyrimidin-5-yl)benzenesulfonic Acid(3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonicAcid)
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid? (Sildenafil Impurity）
Sildenafil impurity F(Sildenafil EP Impurity D)
Sildenafil EP Impurity D (Sildenafil Desmethylpiperazinyl Sulfonic Acid)
Sildenafil EP Impurity DQ: What is
Sildenafil EP Impurity D Q: What is the CAS Number of
Sildenafil EP Impurity D Q: What is the storage condition of
Sildenafil EP Impurity D Q: What are the applications of
Sildenafil EP Impurity D
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
SildefilEPImpurityD
Demethylpiperaziny
sildenafil sulfonic
acid
Sildenafil Citrate EP Impurity D
Sildenafil Citrate Impurity D
3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Aci
3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid
7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4
Sildenafil citrate (SD-C)
Sildenafil EP Impurity D (PSA) Reference Standard
1357931-55-5
357931-55-5
