General Information
Revision date
2026-01-29
Product name
Leupeptin hemisulfate Formula
Substance name
ECHA
Product Synonyms
N-acetyl-L-leucyl-L-leucyl-L-argininal hemisulfate
Chemical name
(2S)-2-acetamido-N-[(2S)-1-[[(2S)-5-(diamino methylidene amino)-1-oxopentan-2-
CAS No.
103476-89-7
1.2.1 Relevant identified uses
of the Substance and uses advised against
1.2.2. Uses advised against
Research and development To be used by trained Not a drug,
Emergency telephone
1-800-424-9300, +1 703-527-3887
Icons in SDS
Company Information
company name
FERMENTEK ltd
e-mail address of the competent person responsible for the Safety Data Sheet
Fermentek@Fermentek.com, Safety@Fermentek.com
GHS Information
Signal word
{Danger Warning }
Hazard Codes
Hazard statements (CLP)
H300, H360, H361d
Hazard statements
Code
Statements
H300
Fatal if swallowed
Section 2
SECTION 2: Hazards identification
US OSHA 1910.1200 Classification of the Substance
Hazard pictograms
{ }
Signal word
{Danger Warning }
Hazard statements
H300 Harmful if swallowed<Fer><RTECS> H360 May damage fertility or the unborn child<RTECS>
Precautionary statements
P203 Obtain, read and follow all safety instructions before use. P261 Avoid breathing dust or mist. P264 Wash {hands} thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection
Response
P301+P317, P330 Cancer, reprotox, Mutagen (IV) IF SWALLOWED: Get medical help. Rinse mouth P318 If exposed or concerned, get medical advice.
Other hazards
Nanomaterials Endocrine disruptor Endocrine disruptor Not nanomaterial Not listed on EU lists of Endocrine disruptors To our judgement, Leupeptin hemisulfate does not possess Endocrine disruptor properties
2.1 Classification of the substance or mixture
2.1.1. GHS Classification: According to EU Reg. 1272/2008 and US OSHA 1910.1200) Data source:<RTECS>RTECS; <Fer>Manufacturer’s estimation; <SF>Sci finder; <SDS>other authors; <J>Scientific publication; <PC>PubChem Accute toxicity: Oral Cat.4 H300 Harmful if swallowed<Fer><RTECS> Reproductive toxicity Cat.2 H361d Suspected of damaging fertility or the unborn child<RTECS>