Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Imidazolidinone,5-(1-hydroxyethyl)-3-phenyl-2-thioxo-
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Imidazolidinone,5-(1-hydroxyethyl)-3-phenyl-2-thioxo-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5789-21-9

5789-21-9 structure

5789-21-9 structure

Name: 4-Imidazolidinone,5-(1-hydroxyethyl)-3-phenyl-2-thioxo-
Chemical Name: phenylthiohydantoin-threonine
CAS Number: 5789-21-9
Molecular Formula: C₁₁H₁₂N₂O₂S
Molecular Weight: 236.29000
Catalog: Biochemical Amino acids and their derivatives Threonine derivative
Create Date: 2018-03-27 08:00:00
Modify Date: 2025-08-26 09:15:44

Name	phenylthiohydantoin-threonine
Synonyms	PTH-DL-THREONINE 5-(1-hydroxyethyl)-3-phenyl-2-thioxoimidazolidin-4-one EINECS 227-321-0 5-(1-Hydroxyethyl)-3-phenyl-2-thioxo-4-imidazolidinone D,L-threonine N-phenylthiohydantoin Threonin-phenylthiohydantoin PTH-THREONINE PHENYLTHIOHYDANTOIN-DL-THREONINE threonine 3-phenylthiohydantoin MFCD00038439 PTH-DL-Threonine Phenylthiohydantoin-DL-threonine

Boiling Point	167-168°C 12mm
Melting Point	144-146°C
Molecular Formula	C₁₁H₁₂N₂O₂S
Molecular Weight	236.29000
Flash Point	167-168°C/12mm
Exact Mass	236.06200
PSA	84.66000
LogP	1.05090
Storage condition	-20°C

Hazard Codes	Xi
Risk Phrases	R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases	S26-S36/37/39-S36
HS Code	2933990090

Precursor 0
DownStream 1
5800-50-0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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