What are the quality limits for impurities?

Heavy metals are max 20mg/kg, Arsenic is max 2mg/kg, and Loss on Drying is max 0.5%.

L-Tryptophan CAS 73-22-3 Feed Additives Amino Acid

Name: L-Tryptophan CAS 73-22-3 Feed Additives Amino Acid
Brand: COLORCOM LTD.
SKU: 2070646725

Zhejiang, ChinaCOLORCOM LTD.

US$0.40-0.90

1 kg

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

Application

in Food and Feed Industry

Certification

QS, CCC, RoHS, ISO, CE

Model NO.

FeedKem

Shape

Powder

Type

Amino Acid

Function

Amino Acid Additives

Transport Package

Leather Bag

Specification

25KG/BAG

Trademark

FoodKem

Origin

China

HS Code

2936270000

Production Capacity

1 Milllion Metric Ton Per Year

Key features

High Purity Grade: Assay 98% Min, White crystals or crystalline powder appearance.

Multiple Certifications: Certified with CCC, CE, ISO, QS, and RoHS standards.

Essential Amino Acid: One of the 22 standard amino acids, essential for human diet and growth.

Wide Application: Suitable for Food and Feed Industry as an amino acid additive.

Strict Quality Control: Heavy Metals Max 20mg/kg, Arsenic Max 2mg/kg, Loss on Drying Max 0.5%.

Company profile

COLORCOM LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-02-01Nearest Port: ShanghaiAverage Response Time: ≤9.03hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP

AI-Powered supplier vetting

SummaryCOLORCOM LTD. is identified as a China-based limited company in Hangzhou, Zhejiang, with both trading-company and manufacturer/factory classifications. The supplier reports more than 10 production lines, cocoa powder productivity of 100,000 tons, broad export coverage, and peak and off-peak lead times of 2–3 months. It states that it holds ISO 9000, ISO 9001, ISO 14001, and GMP certifications, with 6–10 quality-control staff and 6–10 years of R&D-engineer experience. Its worldwide partnerships, sourcing services, and multi-industry product coverage support service breadth, but the provided information does not establish specific after-sales procedures, verified customer cases, detailed customization capabilities, or sufficient non-financial evidence for financial credibility. Financial figures are omitted.

Supplier typeThe supplier is described as a trading company in its company classification and as both a trading company and manufacturer/factory in its business-entity profile. It is a China-based limited company headquartered in Hangzhou, Zhejiang.

CertificationsThe supplier explicitly reports ISO 9000, ISO 9001, ISO 14001, and GMP management-system certifications. These stated certifications indicate coverage of quality, environmental, and manufacturing-practice systems, although no certificate numbers, issuing bodies, or validity dates are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience and states that its partnership network supports innovation, technological-information exchange, and access to market intelligence. This provides explicit positive indicators, although no specific patents, laboratories, new-product examples, or development results are supplied.

Production capacityThe supplier reports more than 10 production lines and annual cocoa powder productivity of 100,000 tons. It also states 2–3 month fulfillment lead times in both peak and off-peak seasons, indicating declared production scale and planning capacity, though the information does not independently verify facility ownership or capacity across all listed products.