S-Ethylisothiourea Hydrobromide CAS 1071-37-0 Purity >98.0% Ensitrelvir (S-217622) Intermediate COVID-19

Short Description:

Chemical Name: S-Ethylisothiourea Hydrobromide 

CAS: 1071-37-0

Purity: >98.0% (HPLC)

Appearance: White to Almost White Powder to Crystal

Intermediate of Ensitrelvir (S-217622), COVID-19

High Quality, Commercial Production

E-Mail: alvin@ruifuchem.com

Product Detail

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Chemical Properties:

Chemical Name S-Ethylisothiourea Hydrobromide
CAS Number 1071-37-0
CAT Number RF-PI1502
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C3H8N2S·HBr
Molecular Weight 185.08 
Melting Point 79.0~81.0℃
Brand Ruifu Chemical


Item Specifications
Appearance White to Almost White Powder to Crystal
Purity >98.0% 
Loss on Drying <0.50%
Single Impurity <0.50%
Total Impurities <2.00%
Heavy Metals (as Pb) <20ppm
Test Standard Enterprise Standard
Usage Pharmaceutical Intermediates; Intermediate of Ensitrelvir (S-217622)

Package & Storage:

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.

Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture.





S-Ethylisothiourea Hydrobromide (CAS: 1071-37-0) can be used as organic synthesis intermediate and pharmaceutical intermediate. S-Ethylisothiourea Hydrobromide can be used in the synthesis of Ensitrelvir (S-217622). Ensitrelvir (S-217622) is the first orally active non-covalent, non-peptidic, SARS-CoV-2 3CL protease inhibitor (IC50=13 nM).

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