What is the loading port?

Usually, Qingdao, Tianjin, Ningbo and Shanghai sea port

High Quality 99% D-Proline Amino Acid Made in ISO

Name: High Quality 99% D-Proline Amino Acid Made in ISO
Brand: Qingdao Songwal Biotech Co., Ltd.
SKU: 2105794385

Shandong, ChinaQingdao Songwal Biotech Co., Ltd.

US$32.00

25-499 kg

US$22.00

500+ kg

Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

CAS No.

616-91-1

Formula

C5h9no3s

Model NO.

Amino acid

EINECS

210-498-3

Color

White

Appearance

Powder

Assay

98.5~101.0%

pH

2.0~2.8

Specific Optical Rotation[a]D20°

+21~+27

Melting Point, ℃

106~110

Transmittance

Min 98.0%

Loss on Drying

Max 0.5%

Residue on Ignition

Max 0.2%

Chloride

Max 0.04%

Sulfate

Max 0.03%

Heavy Metals (as Pb)

Max 0.001%

Transport Package

Drum/Carton

Specification

25kg/drum/carton

Trademark

songwal

Origin

China

HS Code

29309090

Production Capacity

100mt/Month

Key features

High Purity Assay: Assay ranges from 98.5% to 101.0%, with test results showing 99.3%.

Antioxidant Properties: NAC is a glutathione precursor with known antioxidant and clinical benefits.

Clinical Applications: Used for cough, dry eyes, influenza, acetaminophen overdose antidote, and nitrate tolerance reduction.

Strict Quality Control: Meets standards for chloride, sulfate, heavy metals, and other amino acids with low detection limits.

Flexible Payment Terms: Supports T/T, D/P, L/C, PayPal, Western Union, and small-amount payments.

Fast Delivery: Shipment usually arranged within 14 days; off-peak lead time within 15 workdays.

Comprehensive Documentation: Provides Commercial Invoice, Packing List, COA, Bill of Lading, and Insurance Policy.

Company profile

Qingdao Songwal Biotech Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: qingdao, yantaiAverage Response Time: ≤4.88hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryQingdao Songwal Biotech Co., Ltd. is identified as a Chinese manufacturer/factory and limited company located in Laoshan District, Qingdao, Shandong. Its stated business covers amino acids, food and feed additives, pharmaceutical intermediates, vitamins, chemicals, and related raw materials. The supplier reports export activity since 2012, with exports representing 71%–90% of total sales, and accepts several payment methods. Production-related information includes eight production lines, 41–50 R&D engineers, and 41–50 quality-control staff. A broad list of management-system certifications is presented, but the slices do not provide certificate numbers, validity dates, issuing bodies, or product-specific certification evidence. The supplier describes biotechnology-based amino-acid production and serves pharmaceutical, nutrition, agriculture, food, and feed sectors. Specific product records for L-Lysine HCL include packaging, batch numbers, manufacturing dates, and expiry dates. Evidence is insufficient to...

Supplier typeThe supplier is described as a Manufacturer/Factory and a limited company, with its address in Qingdao, Shandong, China. Its stated business covers chemicals, amino acids, food additives, feed additives, pharmaceutical intermediates, vitamins, and related raw materials, although another slice labels the company nature as a trading company.

CertificationsThe supplier lists multiple certifications and management systems, including ISO 9001, ISO 14001, GMP, BSCI, OHSAS/OHSMS 18001, and others. However, the provided information does not include certificate identifiers, validity periods, issuing organizations, or verification details.

R&D capabilityThe supplier reports 41–50 R&D engineers and describes using biotechnological processes for amino-acid production, with innovation and amino-acid research presented as central activities. Its stated product scope also includes active pharmaceutical ingredients, vitamins, extracts, additives, and nutritional raw materials, supporting an indicated R&D focus but not independently verified innovation outcomes.

Production capacityThe supplier reports eight production lines, 41–50 quality-control staff, and a factory location in Qingdao, Shandong. Multiple L-Lysine HCL records contain batch numbers, 25 kg packaging, manufacturing dates, and expiry dates, providing direct evidence of documented product production and batch handling.