Certificate of Analysis in California — ISO 17025 Accredited Lab
Trusted certificate of analysis services in California. Our ISO 17025 accredited labs deliver precise results with 48-hour turnaround.
ISO 17025 
Resultados en 48 h 
100 % garantía 
Respuesta rápida
Certificate of Analysis in California is available through ISO 17025 accredited laboratories like Qalitex Labs, which operates facilities in Irvine and San Diego, California. These labs use validated analytical methods including HPLC, ICP-MS, and GC-MS to test dietary supplements, cosmetics, and food products for safety, purity, and regulatory compliance.
Amazon Tightens COA Requirements for Supplement and Cosmetic Sellers
Amazon sellers face increased scrutiny as the platform mandates ISO 17025 accredited COA documentation for health and beauty products — with non-compliant listings facing immediate suspension.
Qalitex Laboratories provides ISO 17025 accredited certificate of analysis services to brands in California and throughout the United States. A Certificate of Analysis (CoA) is your product's credential for market access. Qalitex Laboratories provides ISO 17025 accredited CoAs for all test types — identity, potency, heavy metals, microbiology, pesticide residues, and stability. Our California-area clients benefit from proximity to our Southern California labs, enabling faster sample delivery and turnaround times as quick as 48 hours.
Why Choose Qalitex for Certificate of Analysis in California
Qalitex Laboratories is one of the leading ISO 17025 accredited testing labs in Southern California, with facilities in both Irvine and San Diego. Our proximity to major California shipping hubs means faster sample receipt and quicker results. We combine state-of-the-art instrumentation (HPLC, ICP-MS, GC-MS, LC-MS/MS) with experienced scientists to deliver accurate, regulatory-ready results.
What a CoA Includes
Every Qalitex CoA includes: product description and batch number, test methods (USP, AOAC, ISO), results with specification limits, accreditation number and lab credentials, scientist signature and date, and chain of custody documentation. Reports are delivered in PDF format suitable for Amazon Seller Central, retailer portals, and regulatory submissions.
When You Need a CoA
You need a CoA for Amazon FBA supplement listings, retail compliance (Whole Foods, Target, Vitamin Shoppe), import/export documentation, FDA facility inspections, brand protection and labeling accuracy, and third-party quality audits.
Our Turnaround Time
Standard CoA delivery is 48–72 hours from sample receipt. Rush options are available for time-sensitive listings or compliance deadlines. We serve clients across all 50 US states from our Irvine, California laboratory.
Ensayos y métodos clave
Normas aplicables
Sectores que atendemos
Cómo funciona
Tres sencillos pasos hasta sus resultados
Envíe sus muestras
Envíe las muestras a nuestro laboratorio de Irvine o San Diego junto con su formulario de pedido.
Análisis y resultados
Nuestros científicos acreditados según ISO 17025 aplican métodos de ensayo validados.
Reciba su CoA
Obtenga un certificado de análisis firmado en 48–72 horas.
Preguntas frecuentes
Preguntas frecuentes
Where can I get certificate of analysis in California?
Qalitex Laboratories operates ISO 17025 accredited labs in Irvine and San Diego, California, serving clients in California and across the US. Ship your samples to us and receive results within 48–72 hours.
How much does certificate of analysis cost in California?
Testing costs vary based on the specific analyses required, sample matrix, and turnaround time. Contact Qalitex Labs for a custom quote — most standard panels start at competitive rates with volume discounts available.
Is Qalitex Laboratories ISO 17025 accredited?
Yes. Qalitex Laboratories holds ISO/IEC 17025 accreditation, the international standard for testing and calibration laboratories. This ensures our methods, equipment, and quality systems meet the highest standards of accuracy and reliability.
What is your turnaround time?
Standard turnaround is 5–7 business days. Rush service with 48-hour turnaround is available for most test types. Contact us to discuss your timeline requirements.
What types of products do you test?
Qalitex tests dietary supplements (capsules, powders, gummies, liquids), cosmetics and personal care products, food and beverage items, botanical extracts, and raw materials. We serve brands, contract manufacturers, and Amazon FBA sellers.
How do I submit samples for testing?
Ship your samples to our Irvine or San Diego laboratory with a completed sample submission form. We provide prepaid shipping labels for qualifying orders. Results are delivered electronically via secure portal.
What is included in a Certificate of Analysis (CoA)?
Every Qalitex CoA includes product description and batch number, test methods (USP, AOAC, ISO), results with specification limits, accreditation number and lab credentials, scientist signature and date, and chain of custody documentation.
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