Product name | Silde (Viaga) |
CAS NO | 385769 84 6 |
EINECS | 200-835-2 |
MF | C22H30N6O4S |
MW | 474.58 |
Assay | 99% |
Appearance | White powder |
Usage | Pharmaceutical Raw Materials |

Description
Silde citrate , sold as Viaga , Revatio and under various other trade names , is a sex steroid hormones drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH) .
Viaga tablets inscribed with the words , there is a positive words , "Pfizer" on the back . Viaga known as the "blue chip" , the color is light blue , dark blue (rather than the majority of consumers are misled as dark blue) . "Viaga" character is a white crystalline powder , soluble in water easily, pills for shallow blue film coating , round diamond , remove the film coating is still white crystalline powder (most consumers mistakenly believe that the pill inside also is blue) , each dose of 50MG or 100MG , has been discontinued before the 50MG , the market sales of all for 100MG .

Specification
Items | Standard | Results |
Assay by HPLC | 98% | 99.37% |
Appearance | White fine powder | Complies |
Odor & taste | Slight bitter | Complies |
Mesh size | 100% pass 80mesh | Complies |
Solubility | Soluble in water | Complies |
Loss on drying | ≤2.0% | 1.15% |
Heavy metals PPM | <30ppm | Complies |
Microbiology Total Plate Count | <1000cfu/g <100cfu/g Negative Negative Negative | 800cfu/g 90cfu/g Complies Complies Complies |
Conclusion | Conform with USP 32 |

Application
Viaga is not sex , it is only in the presence of sexual impulse , erectile function to help ED patients to return to normal . That is to say the main role of Viagra is to restore the normal sexual function of a person , let your natural erection when sexual desire . This is the biggest advantage of Viaga , restore natural erectile function, natural sex . At the same time , it also has a strong Viagra delay effect , a lot of people do some experiments , usually sex for half an hour , ate Viaga can .

Item | Specifications |
Appearance | White or almost white crystalline powder. |
Purity | 99%min |
Melting point | 298-300ºC |
Specific rotation | D20 +71.0° |
Boiling point | 679.1±55.0ºC at 760 mmHg |
Density | 1.5±0.1 g/cm3 |
Refractive index | 1.758 |
Flash point | 364.5±31.5ºC |
PSA | 74.87000 |
LogP | 1.43 |
optical activity | [α]/D +68 to +78°, c = 1 in chloroform-d |
Solubility | DMSO: soluble20mg/mL, clear |
Storage condition | 2-8ºC |
Shelf life | 2 years |





Q1: Can i get some samples?
A:Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union, Money Gram.
Q3: How to confirm the Product Quality before placing orders?
1.You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
2. You can tell us your product specifications and requests,we will manufacture the products according to your requests.
Q4:Is there a discount?
A:Different quantity has different discount.
Q5: How do you treat quality complaint?
A:Our quality control will reduce the quality problem to near zero. If there is a real
quality problem caused by us, we will send you free goods for replacement.
Q6:Do you Accept Sample Order?
A:Yes, we accept small order from 1box, 5boxes and 10boxes to evaluate quality of our goods.
