What is the loading port?

Usually, Qingdao, Tianjin, Ningbo and Shanghai sea port.

What is the purity of D-Aspartic Acid?

The assay is between 98.5% and 101.0%, with a test result of 99.3%.

What are the main applications of NAC?

It is used as an antioxidant, for cough and dry eyes, influenza treatment, and as an antidote for acetaminophen overdose.

ISO Affordable D-Aspartic Acid for Songwal

Name: ISO Affordable D-Aspartic Acid for Songwal
Brand: Qingdao Songwal Biotech Co., Ltd.
SKU: 2105795445

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%, ensuring high quality standards.

Antioxidant Properties: Acts as a glutathione precursor with various clinical antioxidant benefits.

Clinical Applications: Used for cough relief, dry eyes, influenza, and acetaminophen overdose antidote.

Fast Delivery: Shipment usually arranged within 14 days after order confirmation.

Long Shelf Life: Product validity is typically 2 to 3 years from the date of production.

Flexible Payment: Supports T/T, D/P, L/C, PayPal, Western Union, and Money Gram.

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

Standard Packaging: Packed in 25 kg bags, cartons, or drums for safe transport.

Company profile

Qingdao Songwal Biotech Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: qingdao, yantaiAverage Response Time: ≤4.58hTerms 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.