Beta-Hydroxyisovaleric Acid

Please note, this OEL/ADE monograph also applies to calcium 3-hydroxy-3-methylbutyrate hydrate (CAS RN 135236-72-5). Beta-hydroxyisovaleric acid, also known as beta-hydroxy-beta-methylbutyrate (HMB), is a metabolite of the essential amino acid leucine. It is available as a free acid and as the calcium salt and is used as a nutritional supplement to increase muscle mass in muscle wasting conditions. HMB is synthesized endogenously in the body by a reversible transamination of leucine to alpha-ketoisocaproic acid by branched-chain amino acid aminotransferase which primarily occurs in skeletal muscle. HMB stimulates protein synthesis by upregulation of anabolic signaling pathways and decreases proteolysis by downregulation of catabolic signaling pathways, thereby affecting muscle protein turnover.

Affygility Solutions has an occupational exposure limit (OEL) and control band assignment for this active pharmaceutical ingredient (API). This monograph also contains the acceptable daily exposure (ADE) value.

Beta-Hydroxyisovaleric Acid

CAS Registry Number:
625-08-1
Synonym:
HMB
Cost:
$639 USD

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Why do you need this OEL Fastrac monograph?

OEL Fastrac monographs are a cost-effective and convenient way to meet the requirements for PDEs (ADEs) contained in the EMA Guideline on setting health based exposure limits for use in risk identification in the manufacture of different medicinal products in shared facilities (EMA/CHMP/CVMP/SWP/169430/2012), and to obtain the following information:

  • The numerical OEL and control band assignment needed to determine the level of required engineering controls and personal protective equipment
  • A listing of all cited references utilized in the derivation of the OEL and ADE
  • An expert review and discussion with respect to the critical endpoints of concern, the rationale for the choice of endpoints, and dose that is to be used in the derivation of the ADE (PDE), as required by the EMA's Guideline on setting health-based exposure limits for use in risk identification in the manufacture of different medicinal products in shared facilities

Benefits of OEL Fastrac monographs

  • Fully documented. 10-12 pages in length, with calculations and cited references.
  • Save time! Unsurpassed delivery with instant download.
  • Save money. Similar documents cost 5-12 times as much.
  • Stay current. Automatic notification of revisions.

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To order an OEL/ADE monograph for Beta-Hydroxyisovaleric Acid, just click the ADD TO CART button.

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  • K. Rosenthal
  • Director of Manufacturing
  • Pharmatek Laboratories