Shanghai Nianxing Industrial Co., Ltd
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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2(1H)-Pyrimidinethione, 3, 4-dihydro-1-(6-sulfo-1-naphthyl)-4,4,6-trimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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6281-67-0

6281-67-0 structure

6281-67-0 structure

Name: 2(1H)-Pyrimidinethione, 3, 4-dihydro-1-(6-sulfo-1-naphthyl)-4,4,6-trimethyl-
Chemical Name: 5-(4,6,6-trimethyl-2-sulfanylidene-1H-pyrimidin-3-yl)naphthalene-2-sulfonic acid
CAS Number: 6281-67-0
Molecular Formula: C₁₇H₁₈N₂O₃S₂
Molecular Weight: 362.46600
Create Date: 2016-03-22 09:59:53
Modify Date: 2025-09-12 22:03:13

Name	5-(4,6,6-trimethyl-2-sulfanylidene-1H-pyrimidin-3-yl)naphthalene-2-sulfonic acid
Synonyms	HMS2885B21 1-(6-Sulfo-1-naphthyl)-2-thio-4,4,6-trimethyl dihydropyrimidine USAF K-1565 2(1H)-Pyrimidinethione,3,4-dihydro-1-(6-sulfo-1-naphthyl)-4,4,6-trimethyl

Density	1.45g/cm3
Molecular Formula	C₁₇H₁₈N₂O₃S₂
Molecular Weight	362.46600
Exact Mass	362.07600
PSA	110.11000
LogP	4.93800
Index of Refraction	1.729

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW4550000

CHEMICAL NAME :: 2(1H)-Pyrimidinethione, 3,4-dihydro-1-(6-sulfo-1-naphthyl)-4,4,6-trimethyl-

CAS REGISTRY NUMBER :: 6281-67-0

LAST UPDATED :: 199012

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C17-H18-N2-O3-S2

MOLECULAR WEIGHT :: 362.49

WISWESSER LINE NOTATION :: T6MYN FHJ BUS C- BL66J HSWQ& D1 F1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

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