Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Urea,N-methyl-N'-(4-methylphenyl)-N-nitroso-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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23139-00-6

23139-00-6 structure

23139-00-6 structure

Name: Urea,N-methyl-N'-(4-methylphenyl)-N-nitroso-
Chemical Name: 1-methyl-3-(4-methylphenyl)-1-nitrosourea
CAS Number: 23139-00-6
Molecular Formula: C₉H₁₁N₃O₂
Molecular Weight: 193.20300
Create Date: 2016-12-10 17:15:20
Modify Date: 2025-08-22 16:13:41

Name	1-methyl-3-(4-methylphenyl)-1-nitrosourea
Synonyms	1-Methyl-1-nitroso-3-<4-tolyl>-harnstoff

Density	1.19g/cm3
Molecular Formula	C₉H₁₁N₃O₂
Molecular Weight	193.20300
Exact Mass	193.08500
PSA	61.77000
LogP	2.21310
Index of Refraction	1.566

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT8205000

CHEMICAL NAME :: Urea, 1-methyl-1-nitroso-3-(p-tolyl)-

CAS REGISTRY NUMBER :: 23139-00-6

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H11-N3-O2

MOLECULAR WEIGHT :: 193.23

WISWESSER LINE NOTATION :: ONN1&VMR D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 574 mg/kg/7W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Skin and Appendages - tumors

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 33500 pmol/plate

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 39,5147,1979

HS Code	2924299090

106-49-0 structure

106-49-0

~%

23139-00-6 structure

23139-00-6

Literature: Tanno, Masayuki; Sueyoshi, Shoko Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 4 p. 1360 - 1371

Precursor 1
106-49-0
DownStream 0

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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