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Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Chrysophanol is an anthraquinone compound and occurs naturally in Chinese herb Rheum officinale. It shows antimicrobial activity, and is an active component in many crude drugs having purgative properties.
Ellagic acid is a dimeric derivative of gallic acid. It is a plant polyphenol which has properties like antioxident, anti-inflammatory, anticancer and antiatherosclerosis.
Equal weights of the hydrocarbons listed. Use to determine detector response factors (slight warming of mixture may be necessary to dissolve all components completely.)
Imazapyr is a broad spectrum non-selective herbicide, belonging to the family of imidazolinones, which can find applications in weed control management in cereals and sugar beet. Its mode of action involves the inhibition of the synthesis of branched-chain amino acids in plants.