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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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Sildenafil EP IMpurity D Suppliers

Shanghai Xiang Xin Industrial Co., Ltd.
Tel
021-50211651 13651607026
Fax
+86-21-50211651
Email
sales@xxgmpharm.com
Country
China
ProdList
490
Advantage
58
Nantong Hanfang Biotechnology Co. , Ltd.
Tel
hanfangpharma@126.com; 18616537568
Email
hanfangpharma@126.com
Country
China
ProdList
29965
Advantage
58
Daicel Chiral Technologies (China)CO.,LTD
Tel
021-50460086-9 15921403865
Fax
+86-21-50462321
Email
han_yajun@dctc.daicel.com
Country
China
ProdList
7471
Advantage
65
BOC Sciences
Tel
1-631-485-4226; 16314854226
Email
info@bocsci.com
Country
United States
ProdList
12952
Advantage
65
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Tel
0755-4000505016 13380397412
Fax
0755 28094224
Email
3001272453@qq.com
Country
China
ProdList
5158
Advantage
50
ChemStrong Scientific Co.,Ltd
Tel
0755-0755-66853366 13670046396
Fax
0755-28363542
Email
sales@chem-strong.com
Country
China
ProdList
18333
Advantage
56
Shandong Boluoda Biological Technology Co., Ltd.
Tel
0531-68652053 15863796298;
Email
2310993908@qq.com
Country
China
ProdList
2437
Advantage
58
Nanjing XiZe Biotechnology CO., Ltd.
Tel
025-58362220 0086-15250997978
Fax
025-58362220
Email
sale@njxizebio.com
Country
China
ProdList
4855
Advantage
55
BOC Sciences
Tel
16314854226
Email
info@bocsci.com
Country
United States
ProdList
9923
Advantage
65
Shijiazhuang yaoBo Pharmaceutical Co., Ltd.
Tel
15633056635
Email
2880679888@qq.com
Country
China
ProdList
2373
Advantage
58
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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:


  • 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