Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Guanine HCl
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Guanine HCl
Price: ￥168.0/5g ￥588.0/25g
Purity: 99.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Guanine hydrochloride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

635-39-2

635-39-2 structure

635-39-2 structure

Name: Guanine HCl
Chemical Name: Guanine Hydrochloride
CAS Number: 635-39-2
Molecular Formula: C₅H₆ClN₅O
Molecular Weight: 187.587
Catalog: Biochemical Nucleoside drugs Nucleotides and their analogues
Create Date: 2018-08-01 12:30:24
Modify Date: 2025-08-22 19:01:33

Name	Guanine Hydrochloride
Synonyms	2-Amino-1,9-dihydro-6H-purin-6-onhydrochlorid 6H-purin-6-one, 2-amino-1,9-dihydro-, hydrochloride (1:1) 2-Amino-1,7-dihydro-6H-purin-6-one hydrochloride 6H-Purin-6-one, 2-amino-1,7-dihydro-, hydrochloride (1:1) 2-Amino-1,7-dihydro-6H-purin-6-one hydrochloride (1:1) 2-Amino-1,9-dihydro-6H-purin-6-one chlorhydrate MFCD00213670 2-Amino-1,9-dihydro-6H-purin-6-one hydrochloride 2-Amino-1,9-dihydro-6H-purin-6-one hydrochloride (1:1) Guanine, monohydrochloride 9H-purin-6-ol, 2-amino-, hydrochloride (1:1) Guanine hydrochloride 2-Amino-9H-purin-6-ol hydrochloride (1:1) Guanine HCl EINECS 220-867-0

Density	2.19g/cm3
Boiling Point	591.4ºC at 760 mmHg
Melting Point	≥300 °C
Molecular Formula	C₅H₆ClN₅O
Molecular Weight	187.587
Flash Point	311.4ºC
Exact Mass	187.026093
PSA	100.45000
LogP	0.61160
Index of Refraction	2.047
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MF8400000

CHEMICAL NAME :: Guanine, hydrochloride

CAS REGISTRY NUMBER :: 635-39-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H5-N5-O.Cl-H

MOLECULAR WEIGHT :: 187.61

WISWESSER LINE NOTATION :: T56 BM DN FMYMVJ GUM &GH

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 :: 200 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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5241 No. of Facilities: 164 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 877 (estimated) No. of Female Employees: 731 (estimated)

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37/39
WGK Germany	3
RTECS	MF8400000
HS Code	2933990090

Precursor 0
DownStream 1
87171-83-3

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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