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High Quality 99% D-Proline Amino Acid Made in China
US$32.00
25-499 kg
US$22.00
500+ kg
Sample price:US$10.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
616-91-1Formula
C5h9no3sModel NO.
Amino AcidEINECS
210-498-3Color
WhiteAppearance
PowderAssay
98.5~101.0%pH
2.0~2.8Specific Optical Rotation[a]D20°
+21~+27Melting Point, ℃
106~110Transmittance
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/CartonSpecification
25kg/drum/cartonTrademark
songwalOrigin
ChinaHS Code
29309090Production Capacity
100mt/MonthKey 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 benefits.
Clinical Applications: Used for cough, dry eyes, influenza, and acetaminophen overdose antidote.
Strict Quality Control: Meets standards for pH, melting point, transmittance, and heavy metals.
White Crystalline Powder: Appearance is white crystals or crystalline powder.
Comprehensive Documentation: Provides Commercial Invoice, Packing List, COA, and Bill of Lading.
Flexible Payment Terms: Accepts T/T, D/P, L/C, PayPal, Western Union, and Money Gram.
Fast Delivery: Shipment arranged within 14 days, with peak season lead time of one month.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: qingdao, yantaiAverage Response Time: ≤5.51hTerms 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.
Product Q&A
Q:What are your payment terms?
A:
T/T, D/P, L/C
Q:What is your delivery time?
A:
Usually we will arrange the shipment within 14 days.
Q:How about the packing?
A:
Usually with 25 kg bag/carton/drum.
Q:How about the validity of the products?
A:
Usually 2 or 3 years.
Q:What documents you provide?
A:
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA.
Send Inquiry
*To:Qingdao Songwal Biotech Co., Ltd.
Qingdao Songwal Biotech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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