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10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine

CAS No.
3159-07-7
Chemical Name:
10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine
Synonyms
Dibenzothiazepinone;Quetiapine Related CoMpound G;Dibenzo[B,F] Thiazepin-11(10h)-One;NSC 653252;4]thiazepine;Quetiapine Impurtiy G;11-Dihydro-11-oxodibenzo[b;Dibenzo[b,f][1,4]thiazepin-11[;Quetiapine Fumarate Impurity G;Dibenz[b,f][1,4]thiazepin-11-one
CBNumber:
CB2376983
Molecular Formula:
C13H9NOS
Molecular Weight:
227.28
MDL Number:
MFCD00901197
MOL File:
3159-07-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 00:23:17

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine Properties

Melting point 265 °C
Boiling point 309.2±12.0 °C(Predicted)
Density 1.292±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,2-8°C
solubility DMSO (Slightly, Heated)
form Solid
pka 12.40±0.20(Predicted)
color White to Off-White
Major Application pharmaceutical
InChI InChI=1S/C13H9NOS/c15-13-9-5-1-3-7-11(9)16-12-8-4-2-6-10(12)14-13/h1-8H,(H,14,15)
InChIKey RTERDTBXBYNZIS-UHFFFAOYSA-N
SMILES S1C2=CC=CC=C2C(=O)NC2=CC=CC=C12
CAS DataBase Reference 3159-07-7(CAS DataBase Reference)
FDA UNII FL6FG1E3WF
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Risk Statements  36/37/38
Safety Statements  26-36/37/39
WGK Germany  WGK 3
HS Code  2934990002
Storage Class 11 - Combustible Solids
REACH Registrations Active

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine price More Price(43)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PHR3122 Quetiapine Related Compound G pharmaceutical secondary standard, certified reference material 3159-07-7 40mg $539 2026-04-30 Buy
Sigma-Aldrich 1592781 Quetiapine Related Compound G United States Pharmacopeia (USP) Reference Standard 3159-07-7 15mg $1290 2026-04-30 Buy
TCI Chemical D3693 Dibenzo[b,f][1,4]thiazepin-11(10H)-one >98.0%(HPLC)(N) 3159-07-7 25g $51 2026-04-30 Buy
Usbiological D3480-35 Dibenzo[b,f][1,4]thiazepine-11-[10H]one 5g $333 2026-06-03 Buy
Biosynth FD21526 Dibenzo[b,f][1,4]thiazepine-11-[10H]one 3159-07-7 25g $259 2026-06-04 Buy
Product number Packaging Price Buy
PHR3122 40mg $539 Buy
1592781 15mg $1290 Buy
D3693 25g $51 Buy
D3480-35 5g $333 Buy
FD21526 25g $259 Buy

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine Chemical Properties, Uses, Production

Chemical Properties

Off-White Powder

Uses

Dibenzo[b,f][1,4]thiazepine-11-[10H]one (Quetiapine EP Impurity G; Quetiapine Impurity G; Quetiapine USP-G) is an intermediate in the synthesis of quetiapine (Q510000).

54920-98-8
3159-07-7
Synthesis of 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine from 2-Amino-2-carboxydiphenylsulphide

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 401)
Supplier Tel Email Country ProdList Advantage
yxinchem +86-0710-4323688 +86-18071785587 market@yxinchem.com China 1015 58
Nanjing LuoDa Chemical Co., Ltd 025-66016961 13382082786; China 276 55
Neostar United (Changzhou) Industrial Co., Ltd. 0519-85556579 13376258932 project@neostarunited.com China 311 58
Shijiazhuang Feizi Chemical Technology Co. LTD 0311-85957988 18633001459 sales@feizichem.com China 82 58
Shanghai Qiao Chemical Science Co., Ltd 021-58892003 info@qiaochem.com China 6065 65
SHANGHAI INSPO CHEMICAL CO.,LTD 18917565227 inspo@inspochem.com China 631 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Chembest Research Laboratories Limited 021-20908456 sales@BioChemBest.com China 5996 61

View Latest Price from 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine pictures 2026-09-17 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine
3159-07-7
1KG 99.5%min 10 TONS WUHAN FORTUNA CHEMICAL CO., LTD
10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine pictures 2026-06-30 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine
3159-07-7
1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
Dibenzo[b,f][1,4]Thiazepine-11-[10H]-One pictures 2025-06-20 Dibenzo[b,f][1,4]Thiazepine-11-[10H]-One
3159-07-7
$1.00 1kg 99% 20tons Hebei Yanxi Chemical Co., Ltd.
11-Oxo-10,11-dihydro-Dibenzo[b,f][1,4]thiazepine 10H-DIBENZO-(1,4)-THIAZEPINE-11-ONE 10,11-DIHYDRO-11-OXODIBENZO[B,F][1,4]THIAZEPINE DIBENZO[B,F][1,4]THIAZEPINE-11-[10H]ONE (DBTO) 10,11-Dihydro-11-oxo dibenzo-1,4-thiazepine 10H-DIBENZO[B,F][1,4]THIAZEPIN-11-ONE DibenzoB,F1,4Thiazepine-11-(10H)One-Dptp DIBENZO[B,F][1,4]THIAZEPINE-11-[10H]ONE DIBENZO[B,F][1,4]THIAZEPINE, 11-OXO-10,11-DIHYDRO- Dibenzothiazepinone Dibenzo[b,f][1,4]thiazepin-11[ 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepin DIBENZO[B,F][1,4]THIAZEPINE, 11-OXO-10,11-DIHYDRO- (INTERMEDIATES OF QUETIAPINE) 11-Dihydro-11-oxodibenzo[b 4]thiazepine 10,11-Dihydro-11-oxodibenz[b,f][1,4]thiazepine 10,11-Dihydrodibenzo[b,f][1,4]thiazepin-11-one NSC 653252 DIBENZO-(1,4)-THAZEPINE-11-(10H)-ONE DHPO/ twobenzo [b,f][1,4]sulfurazepine-11-[10H] ketone Dibenzo[b.f][1.4]thiazepine-11-[1OH]-one 2-thia-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3,5,7,11,13-hexaen-10-one Quetiapine Impurity 29(Quetiapine EP Impurity G) Dibenzo[b,f][1,4]thiazepin-11(10H)-one> Dibenzo[b,f][1,4]thiazepin-11(10H)- Quetiapine Impurtiy G 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine USP/EP/BP Quetiapine Fumarate EP Impurity G Dibenzo[B,F] Thiazepin-11(10h)-One Quetiapine EP Impurity G/ Quetiapine Related Compound G (Quetiapine DBTO Metabolite/ Quetiapine Lactam) Dibenzo [b,f][1,4] thiazazepine-11 -[10H] ketone Quetiapine Related Compound G (F00410) Dibenzo[b,f][1,4]thiazepine-11(10-H)-oneQ: What is Dibenzo[b,f][1,4]thiazepine-11(10-H)-one Q: What is the CAS Number of Dibenzo[b,f][1,4]thiazepine-11(10-H)-one Q: What is the storage condition of Dibenzo[b,f][1,4]thiazepine-11(10-H)-one Q: What are the applications of Dibenzo[b,f][1,4]thiazepine-11(10-H)-one dibenzo[b,f][1,4]thiazepin-11-[10H]one(Quetiapine EP Impurity G) Quetiapine Related Compound G (Dibenzo[b,f][1,4]thiazepin-11(10H)-one) (1592781) Quetiapine Fumarate Impurity G Quetiapine USP Related Compound G Dibenzo [b,f][1,4] thiazepine-11 -[10H] ketone 0,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine DIBENZO [B, F] [1, 4] THIAZEPIN-11(10H)-ONE (DBTO) 10H-DIBENZO[B,ChemicalbookF][1,4]THIAZEPIN-11-ONE Dibenzo-[b,f][1,4]-thiazepin-11(10H)-one (DBT or DTO) DBTO 10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine Quetiapine EP Impurity G Quetiapine USP Related Compound G 2-thia-9-azatricyclo[9.4.0.03,?]pentadeca-1(11),3(8),4,6,12,14-hexaen-10-one Quetiapine fumarate Imp. G (EP): Dibenzo[b,f][1,4]thiazepin-11(10H)-one Dibenzo[b,f][1,4]thiazepin-11(10H)-one (Quetiapine Impurity) Quetiapine Related CoMpound G Dibenz[b,f][1,4]thiazepin-11-one 3159-07-7 3159-7-7 3159/7/7 Quetiapine (intermediate of quetiapine fumarate) Intermediates of Quetiapine Heterocycles API intermediates Pharmaceutical Intermediates