Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Azacytosine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-Azacytosine
Price: ￥138.0/25g ￥378.0/100g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 5-Azacytosine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 5-Azacytosine
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

931-86-2

931-86-2 structure

Name: 5-Azacytosine
Chemical Name: 5-azacytosine
CAS Number: 931-86-2
Molecular Formula: C₃H₄N₄O
Molecular Weight: 112.090
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Cytosine
Create Date: 2018-02-20 08:00:00
Modify Date: 2025-08-21 06:53:31

Name	5-azacytosine
Synonyms	4-Amino-1,3,5-triazin-2(1H)-on 5-AZACYTOSINE, 1 G 4-Amino-1H-[1,3,5]triazin-2-on 5-Azacytosine 4-amino-1,3,5-triazin-2-one 1,3,5-Triazin-2(1H)-one, 6-amino- 4-amino-s-triazin-2-o 5-Aza-Cytosine 4-amino-1,2-dihydro-1,3,5-triazin-2-one AZACYTOSINE,5-(RG) 2-AMINO-4-HYDROXY-S-TRIAZINE 2-AMINO-4-HYDROXY-1,3,5-TRIAZINEHYDRATE 6-amino-1,2-dihydro-1,3,5-triazin-2-one EINECS 213-242-9 5-Aza Cytosine 5-AZACYTOSINE HYDRATE 1,3,5-triazin-2-ol, 4-amino- 4-Amino-1,3,5-triazin-2(1H)-one 5-AZACYTIDINE 6-amino-1H-1,3,5-triazin-2-one 4-Amino-1,3,5-triazin-2-ol 2-Amino-4-hydroxy-1,3,5-triazine hydrate 2-AMINO-4-HYDROXY- AZACYTOSINE, 5-(RG) 5-AZOCYTOSINE 5-AZACYTOSINE API 5-AZACYTOSINE, HYDRATE 2-Amino-4-hydroxy-1,3,5-triazine MFCD00006033 1,3,5-triazin-2(1H)-one, 4-amino- AZACYTOSINE 4-AMINO-1H-1,3,5-TRIAZIN-2-ONE 6-amino-1,3,5-triazin-2(1H)-one 5-AZACYTOSIN HEMIHYDRAT 4-amino-1H-[1,3,5]triazin-2-one Cytosine Impurity 1

Density	1.86
Boiling Point	503.1ºC at 760 mmHg
Melting Point	300 ºC
Molecular Formula	C₃H₄N₄O
Molecular Weight	112.090
Flash Point	258.1ºC
Exact Mass	112.038513
PSA	84.66000
LogP	-2.33
Index of Refraction	1.801
Storage condition	-20°C Freezer

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ2854300

CHEMICAL NAME :: 1,3,5-Triazin-2(1H)-one, 4-amino-

CAS REGISTRY NUMBER :: 931-86-2

LAST UPDATED :: 199303

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H4-N4-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: >316 mg/kg

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

REFERENCE :: EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 6,149,1982

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Precautionary Statements	P301 + P312 + P330
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	XZ2854300
HS Code	2933990090

10043-39-7

4637-24-5

~87%

931-86-2

Literature: Vujjini, Satish Kumar; Varanasi, Ganesh; Arevelli, Srinivas; Kandala, Sreenatha Charyulu; Tirumalaraju, Satyanarayana Raju; Bandichhor, Rakeshwar; Kagga, Mukkanti; Cherukupally, Praveen Organic Process Research and Development, 2013 , vol. 17, # 2 p. 303 - 306

2353-33-5

931-86-2

452-51-7

Literature: US2006/205685 A1, ; Page/Page column 4; sheet 3 ;

141-83-3

122-51-0

931-86-2

Literature: WO2010/17374 A1, ; Page/Page column 18 ;

7709-13-9

931-86-2

Literature: Agricultural and Biological Chemistry, , vol. 49, # 6 p. 1551 - 1558

64-18-6

127099-85-8

931-86-2

Literature: Chemische Berichte, , vol. 87, p. 19,23 Archiv der Pharmazie (Weinheim, Germany), , vol. 288, p. 139

Precursor 7
10043-39-7 4637-24-5 2353-33-5 141-83-3
122-51-0 7709-13-9 64-18-6
DownStream 5
320-67-2 2353-33-5 123312-89-0 138840-83-2
52523-35-0

HS Code	2933699090
Summary	2933699090 other compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

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