chemical substance


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chemical substance

Pharmacology Any substance including alcohol, drugs, or medications–eg, those taken pursuant to a valid prescription for legitimate medical purposes, and in accordance with the prescriber's direction, as well as those taken illegally. See Substance abuse.
References in periodicals archive ?
Furthermore, because environmental rules are becoming stricter, with a steady increase in the number of chemical substances that are required to be reported, there is a clear need to appropriately track chemical substances and make survey reporting more efficient for green procurement.
One of the methods that has received considerable interest is IT-based drug discovery, a new drug discovery method using computers that makes it possible to create chemical substances as candidates for novel drugs with a high probability of success.
Global regulatory organizations, including the United States Environmental Protection Agency and The ACT on the Registration and Evaluation of Chemicals regulatory body in Korea, require all new chemical substances manufactured or imported to be identified by a CAS Registry Number.
The common or trade name, the specific chemical identity including the correct chemical Abstracts (CA) Index Name and available Chemical Abstracts Service (CAS) Registry Number, and the molecular structure of each chemical substance or mixture;
In accordance with Article 18, phase 1 registration shall be an obligation for an importer or manufacturer from 1 September 2015 to 31 March 2016 when an existing chemical substance has been manufactured or imported in a quantity of 100 kg or more per year in the last 3 years, or with an annual quantity of 100 kg or above in any 1 of the last 3 years.
The lab test results of the bottle proved that a chemical substance named phenothrin, which is used in manufacturing insecticides, had been mixed with the baby milk.
Last week, wardens arrested a police officer for trying to smuggle a chemical substance inside sandwiches that were destined for prisoners with links to Fatah al-Islam.
The rule expands the reporting requirements under the Toxic Substances Control Act Inventory Update Reporting rule that requires manufacturers of chemical substances to report on the manufacturing, importation, processing, and use of those chemical substances.
Each entry for a chemical substance in the registry is meticulously curated and quality controlled by CAS's scientific staff.
"I like to be part of the unknown, to uncover the truth behind a chemical substance. At the same time coming across cases made me extra cautious about the unlicensed products sold in the market," she said.
Assessment measures of batches of chemical substances have concluded that five are potentially harmful to human health (thiourea, Pigment Yellow 34, Pigment Red 104, isoprene and epichlorohydrin), while three others appear to be of concern to the environment.
It deals with the Registration, Evaluation, Authorisation and Restriction of Chemical substances. The new law entered into force on June 1, 2007.

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