How to confirm the Product Quality before placing orders?

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. You can send us your product specifications and requests,we will manufacture the products according to your requests.

How do you treat quality complaint?

First of all, 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 or refund your loss.

L-Tryptophan CAS 73-22-3

Name: L-Tryptophan CAS 73-22-3
Brand: Shandong Yifan Chemical Technology Co., Ltd.
SKU: 2161313785

Shandong, ChinaShandong Yifan Chemical Technology Co., Ltd.

US$10.00-100.00

1 kg

Sample price:US$100.00/kg.Request sample

Product profile

CAS No.

73-22-3

Formula

73-22-3

Type

Synthesis Material Intermediates

Model NO.

CAS 73-22-3

Quality

Industrial

Colour

Colorless

Purity

99%

Package

200kg, 25kg

Delivery Time

48 Hours

Color

as Pic

Stock

in Stock

Transport Package

200kg 25kg

Trademark

Yifan Chem

Origin

Shandong China

Production Capacity

50000kg/Mouth

Key features

High Purity: Purity reaches 99% for industrial grade synthesis material intermediates.

Fast Delivery: Delivery time is within 48 hours for stock items.

Colorless Appearance: Product is colorless as shown in the picture.

Flexible Packaging: Available in 200kg and 25kg packages.

In Stock Availability: Product is currently in stock and ready for immediate shipment.

Manufacturer Direct: Factory founded in 2010, offering direct sales without intermediaries.

Quality Guarantee: Free replacement or refund provided for quality problems caused by the manufacturer.

Sample Policy: Free samples available with freight charges refundable or deductible from future orders.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Shandong Yifan Chemical Technology Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.96h

AI-Powered supplier vetting

SummaryThe supplier operates across textile, biobased-material, daily chemical, engineering research, biomass-fuel process R&D, and basic chemical raw-material manufacturing activities. It offers sample-based and minor customization, but reports no new products in the past year, no ODM service, no SDK, and no OEM service for popular brands. Quality assurance and raw-material traceability are stated, while finished products are checked by packing staff. The supplier reports ISO-related and other management-system certifications and exports to more than 17 countries, but has no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. After-sales corrective-action and complaint-handling procedures are undocumented. Financial evidence is incomplete and includes stated zero profit figures; financial credibility therefore cannot be fully established.

Supplier typeThe supplier’s stated business scope covers textile and textile raw materials, biobased materials, daily chemical products, engineering and technical research, biomass liquid-fuel process R&D, and basic chemical raw-material manufacturing. It also states that its goods are exported to more than 17 countries, indicating a manufacturing and export-oriented supplier profile.

CertificationsThe supplier lists ISO 9000, ISO 9001, ISO 14001, ISO 14000, ISO 20000, OHSAS/OHSMS 18001, HSE, GMP, ISO 14064, and QC 080000 certifications or systems, and states that production complies with ISO 9001 and ISO 2000 standards. The slices explicitly support substantial certification-system coverage.

After-Sales capabilityThe supplier reports no written procedures or records for corrective and preventive actions or for effective customer-complaint handling. Although quality assurance is stated, the absence of documented after-sales mechanisms is a specific service-process deficiency.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, and no available SDK. Its business scope mentions engineering research and biomass-fuel process R&D, but the explicit product-development and SDK evidence indicates limited demonstrated innovation capability.

Production capacityThe supplier states that it manufactures basic chemical raw materials and operates production processes supported by advanced technology and testing methods. It also reports quality assurance, raw-material traceability, and exports to more than 17 countries; however, finished-product inspection is performed by packing staff, so the evidence supports production activity and basic controls rather than a fully documented advanced production system.

Customization capabilityThe supplier explicitly provides customization from samples and minor customization. However, it does not provide ODM services or OEM services for popular brands, so its customization capability is limited to sample-based and minor adjustments.

Client casesThe supplier states that its goods have been exported to more than 17 countries across Europe, the Americas, the Middle East, Asia Pacific, and Africa. It also explicitly reports no cooperation with Fortune 500 companies, so geographic export experience is evidenced but named major-customer cases are not.