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Sildenafil EP IMpurity D

Product Name
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;Methisosildenafil Impurity 19;Sildenafil Citrate Impurity D;Sildenafil Citrate EP Impurity D;Demethylpiperaziny sildenafil sulfonic acid;Sildenafil Impurity 4(Sildenafil EP Impurity D)
CBNumber
CB82675677
Molecular Formula
C17H20N4O5S
Formula Weight
392.43
MOL File
1357931-55-5.mol
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Sildenafil EP IMpurity D Property

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

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N-Bromosuccinimide Price

TRC
Product number
D231235
Product name
DemethylpiperazinylSildenafilSulfonicAcid
Packaging
100mg
Price
$215
Updated
2021/12/16
Chemenu
Product number
CM151847
Product name
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonicacid
Purity
97%
Packaging
100mg
Price
$281
Updated
2021/12/16
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Sildenafil EP IMpurity D Chemical Properties,Usage,Production

Uses

Demethylpiperazinyl Sildenafil Sulfonic Acid (Sildenafil EP Impurity D) is an impurity of Sildenafil citrate (S435000).

Sildenafil EP IMpurity D Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Sildenafil EP IMpurity D manufacturers

Moxin Chemicals
Product
Sildenafil EP Impurity D 1357931-55-5
Price
US $0.00-0.00/mg
Min. Order
10mg
Purity
99%+ HPLC
Supply Ability
1000
Release date
2025-07-18
Moxin Chemicals
Product
Sildenafil EP Impurity D 1357931-55-5
Price
US $0.00-0.00/mg
Min. Order
10mg
Purity
95%+
Supply Ability
10000
Release date
2025-01-21
Career Henan Chemical Co
Product
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid 1357931-55-5
Price
US $9.80/KG
Min. Order
1g
Purity
＞98%
Supply Ability
20 tons
Release date
2020-02-10

1357931-55-5, Sildenafil EP IMpurity DRelated 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 Desethyl Sildenafil 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 1H-PYRAZOLE-5-CARBOXAMIDE, 4-[[2-ETHOXY-5-[(4-METHYL-1-PIPERAZINYL)SULFONYL]BENZOYL]AMINO]-1-METHYL-3-PROPYL-

  • 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
  • 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 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-
  • 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
  • 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 EP Impurity D (Sildenafil Desmethylpiperazinyl Sulfonic Acid)
  • Sildenafil impurity F(Sildenafil EP Impurity D)
  • 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
  • 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
  • 1357931-55-5
  • 357931-55-5