Synonym
Hydroxythiohomosildenafil; Sulfohydroxyhomosildenafil; Hydroxyhomosildenafil thione;
IUPAC/Chemical Name
5-(2-ethoxy-5-((4-(2-hydroxyethyl)piperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidine-7-thione
InChi Key
XZVSAQIQEGFWQS-UHFFFAOYSA-N
InChi Code
InChI=1S/C23H32N6O4S2/c1-4-6-18-20-21(27(3)26-18)23(34)25-22(24-20)17-15-16(7-8-19(17)33-5-2)35(31,32)29-11-9-28(10-12-29)13-14-30/h7-8,15,30H,4-6,9-14H2,1-3H3,(H,24,25,34)
SMILES Code
S=C1C(N(C)N=C2CCC)=C2NC(C3=CC(S(=O)(N4CCN(CCO)CC4)=O)=CC=C3OCC)=N1
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.03.00
Preparing Stock Solutions
The following data is based on the
product
molecular weight
520.66
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
| 1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
| 5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
| 10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
| 50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1: Duez M, Etter M, Klinger N, Cirimele V. Synthetic phosphodiesterase-5-inhibitors use/abuse and interest of hair testing: reporting of a rape case. Drug Test Anal. 2014 Jun;6 Suppl 1:17-21. doi: 10.1002/dta.1638. PubMed PMID: 24817044.
2: Tagami T, Takeda A, Asada A, Aoyama A, Doi T, Kajimura K, Sawabe Y. Simultaneous identification of hydroxythiohomosildenafil, aminotadalafil, thiosildenafil, dimethylsildenafil, and thiodimethylsildenafil in dietary supplements using high-performance liquid chromatography-mass spectrometry. Shokuhin Eiseigaku Zasshi. 2013;54(3):232-6. PubMed PMID: 23863369.
3: Li L, Low MY, Aliwarga F, Teo J, Ge XW, Zeng Y, Bloodworth BC, Koh HL. Isolation and identification of hydroxythiohomosildenafil in herbal dietary supplements sold as sexual performance enhancement products. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2009 Feb;26(2):145-51. doi: 10.1080/02652030802368757. PubMed PMID: 19680883.
4: Do TT, Theocharis G, Reich E. Simultaneous Detection of Three Phosphodiesterase Type 5 Inhibitors and Eight of Their Analogs in Lifestyle Products and Screening for Adulterants by High-Performance Thin-Layer Chromatography. J AOAC Int. 2015 Sep-Oct;98(5):1226-33. doi: 10.5740/jaoacint.14-285. PubMed PMID: 26525240.
