Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Phenyl-5-ureido-1,2,4-oxadiazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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5421-95-4

5421-95-4 structure

Name: 3-Phenyl-5-ureido-1,2,4-oxadiazole
Chemical Name: (3-phenyl-1,2,4-oxadiazol-5-yl)urea
CAS Number: 5421-95-4
Molecular Formula: C₉H₈N₄O₂
Molecular Weight: 204.18500
Create Date: 2016-08-06 18:04:41
Modify Date: 2025-08-25 12:53:44

Name	(3-phenyl-1,2,4-oxadiazol-5-yl)urea
Synonyms	1,2,4-OXADIAZOLE,3-PHENYL-5-UREIDO 3-Phenyl-5-ureido-1,2,4-oxadiazole 3-Phenyl-5-ureido-1,2,4-oxadiazol (3-phenyl-[1,2,4]oxadiazol-5-yl)-urea (phenyl-[1,2,4]oxadiazol-5-yl)-urea (Phenyl-[1,2,4]oxadiazol-5-yl)-harnstoff 5-Ureido-3-phenyl-1,2,4-oxadiazol

Density	1.415g/cm3
Molecular Formula	C₉H₈N₄O₂
Molecular Weight	204.18500
Exact Mass	204.06500
PSA	94.04000
LogP	2.00050
Index of Refraction	1.648

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RO0812000

CHEMICAL NAME :: 1,2,4-Oxadiazole, 3-phenyl-5-ureido-

CAS REGISTRY NUMBER :: 5421-95-4

BEILSTEIN REFERENCE NO. :: 0199954

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H8-N4-O2

MOLECULAR WEIGHT :: 204.21

WISWESSER LINE NOTATION :: T5NO DNJ CMVZ ER

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00751

HS Code	2934999090

7746-72-7

7747-00-4

5421-95-4

Literature: Warburton,W.K. Journal of the Chemical Society [Section] C: Organic, 1966 , p. 1522 - 1524 Full Text View citing articles Show Details Adams et al. Journal of Organic Chemistry, 1953 , vol. 18, p. 934,938 Full Text Show Details Am. Cyanamid Co. Patent: US2403723 , 1944 ; Full Text Show Details Am. Cyanamid Co. Patent: US2399599 , 1944 ;

Precursor 1
7746-72-7
DownStream 1
1456-22-0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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