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Product profile
Customization
AvailableCAS No.
155213-67-5Formula
C37H48N6O5S2Packaging Material
Aluminum Foil Bag/Cardboard barrelStorage Method
NormalShelf Life
24 MonthsNutrient Composition
ProteinResource
NaturalThe content of active substances
98.44%Transport Package
25 Kg/Carton Outside and Double Food Plastic BagsSpecification
98%Trademark
SOSTOrigin
ChinaProduction Capacity
100 Kg/MomthKey features
High Purity Active Substance: Active substance content reaches 98.44%, complying with USP35 Standard.
FDA Approved Antiviral: Approved by U.S. FDA in 2000 for HIV/AIDS antiviral treatment.
Protease Inhibitor Function: Inhibits HIV protease and metabolizing enzymes to enhance other drug efficacy.
Long Shelf Life: Product maintains stability for 24 months under normal storage conditions.
OEM and ODM Services: Manufacturer offers both OEM and ODM customization services.
Fast Lead Time: Average lead time is within 15 workdays for both peak and off-peak seasons.
Natural Resource Source: Derived from natural resources with protein as the nutrient composition.
Comprehensive Quality Testing: Rigorous testing for heavy metals, water, solvents, and organic impurities.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2012-11-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.74h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryXi'an Sost Biotech Co., Ltd. is identified as a China-based manufacturer and trading company focused on herbal extracts, Chinese medicine raw materials, cosmetic ingredients, healthcare ingredients, food additives, and dietary supplement ingredients. Evidence indicates established production, R&D, sales, purchasing, and quality-control functions, with stated GMP-oriented operations, ISO 9001:2015 certification, multiple production bases, and broad export coverage. However, the records contain conflicting production information: one slice reports three production bases and eight lines, while another reports a 2,990 m² plant and two production lines. The supplier states that it provides pre- and after-sales service and accepts several trade and payment terms, but detailed service performance, customization results, customer references, and financial strength are not sufficiently documented. Monetary figures are omitted.
Supplier typeThe supplier is explicitly classified as a manufacturer and limited company, while another record identifies its business nature as a trading company. Its stated activities include R&D, production, sales, and service of herbal extracts and natural raw materials, so it appears to combine manufacturing and trading functions.
CertificationsThe supplier reports ISO 9001:2015 certification and states that production follows national GMP standards, with GMP-standard factories and 100,000-level clean workshops. ISO certification is explicit; the GMP statements are operational claims rather than a separately named certificate.
After-Sales capabilityThe company explicitly emphasizes before-sales and after-sales service, states that it continuously improves service, and describes service as part of its business operations. However, no evidence gives measurable after-sales performance, service staffing, response times, or documented customer outcomes.
R&D capabilityThe supplier reports an R&D department, research and development of high-purity natural products, biological engineering and natural extraction technology, and an innovation-oriented approach. Nevertheless, only two years of R&D engineer experience are reported, and there is no evidence of patents, new-product records, or quantified R&D achievements.
Production capacityProduction capability is supported by a stated manufacturing plant, natural-extract production activities, GMP-oriented facilities, clean workshops, and product lines covering food, healthcare, cosmetics, and pharmaceutical intermediates. The data are inconsistent: one record states three production bases and eight lines, while another reports a 2,990 m² plant and two lines; quality-control staffing is also reported as fewer than five employees.
Product Q&A
Q:What is the purity of Ritonavir powder?
A:
The content of active substances is 98.44%, and it complies with the USP35 Standard.
Q:Is this product FDA approved?
A:
Yes, Ritonavir was approved by the U.S. FDA for antiviral treatment of AIDS in 2000.
Q:What is the shelf life of the product?
A:
The shelf life is 24 months when stored under normal conditions.
Q:Do you offer OEM or ODM services?
A:
Yes, we provide both OEM and ODM services for this product.
Q:What is the average lead time for delivery?
A:
The average lead time is within 15 workdays, regardless of peak or off-peak seasons.
Send Inquiry
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Xi an Sost Biotech Co., Ltd.
Xi an Sost Biotech Co., Ltd.*Content:
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