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Demoxepam

CAS No.
963-39-3
Chemical Name:
Demoxepam
Synonyms
Chlordiazepoxide Related CoMpound A;ro5-2092;NSC 4607;Ro 5-2092;NSC-46077;NSC-46007;Demoxepam;NSC 169898;ro5-2092lactam;Ro 5-2092 lactam
CBNumber:
CB4501398
Molecular Formula:
C15H11ClN2O2
Molecular Weight:
286.71
MDL Number:
MFCD11840314
MOL File:
963-39-3.mol
MSDS File:
SDS
Last updated:2026-05-28 04:54:39
Product description Number Pack Size Price
Demoxepam solution 1.0?mg/mL in acetonitrile, ampule of 1?mL, certified reference material, Cerilliant? D-079 1mL $118
Chlordiazepoxide Related Compound A United States Pharmacopeia (USP) Reference Standard 1110020 25mg $1290
Demoxepam ≥98% 21937 1mg $39
Demoxepam ≥98% 21937 5mg $126
Demoxepam ≥98% 21937 10mg $231
More product size

Demoxepam Properties

Melting point 235-236 °C (decomp)
Density 1.40±0.1 g/cm3(Predicted)
Flash point 2℃
storage temp. -20°C
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
pka pKa 4.5 (Uncertain)
color White to Pale Yellow
Major Application pharmaceutical (small molecule)
InChI 1S/C15H11ClN2O2/c16-11-6-7-13-12(8-11)15(10-4-2-1-3-5-10)18(20)9-14(19)17-13/h1-8,20H,9H2
InChIKey PSADRZMLSXCSAS-UHFFFAOYSA-N
SMILES ClC1=CC2=C(N(CC(=O)N=C2C=C1)O)c3ccccc3
EWG's Food Scores 1
FDA UNII 8X1XP5M0SB
NIST Chemistry Reference Demoxepam(963-39-3)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
Hazard Codes  F,Xn
Risk Statements  11-20/21/22-36
Safety Statements  16-26-36/37
RIDADR  UN 1648 3 / PGII
WGK Germany  3
HS Code  2933996100
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
REACH Registrations Active

Demoxepam price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D-079 Demoxepam solution 1.0?mg/mL in acetonitrile, ampule of 1?mL, certified reference material, Cerilliant? 963-39-3 1mL $118 2026-04-30 Buy
Sigma-Aldrich 1110020 Chlordiazepoxide Related Compound A United States Pharmacopeia (USP) Reference Standard 963-39-3 25mg $1290 2026-04-30 Buy
Cayman Chemical 21937 Demoxepam ≥98% 963-39-3 1mg $39 2026-04-30 Buy
Cayman Chemical 21937 Demoxepam ≥98% 963-39-3 5mg $126 2026-04-30 Buy
Cayman Chemical 21937 Demoxepam ≥98% 963-39-3 10mg $231 2026-04-30 Buy
Product number Packaging Price Buy
D-079 1mL $118 Buy
1110020 25mg $1290 Buy
21937 1mg $39 Buy
21937 5mg $126 Buy
21937 10mg $231 Buy

Demoxepam Chemical Properties,Uses,Production

Chemical Properties

Crystallizes (dichloromethane/hexane). Melting point 239-241°C.

Uses

A major metabolite of Chlordiazepoxide (C327050). A benzodiapine derivative with anticonvulsant properties.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 4, p. 647, 1967 DOI: 10.1002/jhet.5570040435
The Journal of Organic Chemistry, 26, p. 4936, 1961

Global( 82)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21585 55
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49979 58
career henan chemical co
+86-0371-86658258 +8613203830695 factory@coreychem.com China 29792 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
RongNa Biotechnology Co.,Ltd
+86-86-13583358881 +8618560316533 Brad@rongnabiotech.com China 3373 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739 info@dycnchem.com China 52704 58
sgtlifesciences pvt ltd
+8617013299288 dj@sgtlifesciences.com China 12373 58
Shaanxi Didu New Materials Co. Ltd
+86-86-17392712779 +8617792793228 1069@dideu.com China 8661 58
Hebei Chuanghai Biotechnology Co., Ltd
+8615531151365 mina@chuanghaibio.com China 18126 58

View Lastest Price from Demoxepam manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Demoxepam pictures 2026-07-16 Demoxepam
963-39-3
0.99 RongNa Biotechnology Co.,Ltd
2H-1,4-Benzodiazepin-2-one,7-chloro-1,3-dihydro-5-phenyl-, 4-oxide pictures 2020-01-10 2H-1,4-Benzodiazepin-2-one,7-chloro-1,3-dihydro-5-phenyl-, 4-oxide
963-39-3
$9.80 1KG ≥98% 20 tons Career Henan Chemical Co
  • Demoxepam pictures
  • Demoxepam
    963-39-3
  • 0.99
  • RongNa Biotechnology Co.,Ltd
Chlordiazepoxide lactam NSC-46007 NSC-46077 1,3-Dihydro-7-chloro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide Ro 5-2092 Ro 5-2092 lactam ro5-2092 ro5-2092lactam CHLORDIAZEPOXIDE RELATED COMPOUND A (25 MG) (7-CHLORO-1,3-DIHYDRO-5-PHENYL-2H-1,4-BENZODIAZEPIN-2-ONE 4-OXIDE) 1,3-dihydro-7-chloro-5-phenyl-2h-1,4-benzodiazepin-2-one4-oxide 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-chloro-5-phenyl-, 4-oxide 2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-5-phenyl-, 4-oxide 4-benzodiazepin-2-one,1,3-dihydro-7-chloro-5-phenyl-2h-4-oxide 4-benzodiazepin-2-one,7-chloro-1,3-dihydro-5-phenyl-2h-4-oxide 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one-4-oxid 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-ben-zodiazepin-2-one4-oxide 7-chloro-1,3-dihydro-5-phenyl-2h-1,4-benzodiazepin-2-one-4-oxide 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepine-2-one N-oxide 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide 7-chloro-2-oxo-5-phenyl-1.3-dihydro-2H-1.4-benzoiazepine-4-oxide 1,3-Dihydro-5-phenyl-7-chloro-2H-1,4-benzodiazepin-2-one-4-oxide(diazepinoneN-oxide) 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2-one 4-oxide Demoxepam 7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one Chlordiazepoxide Related Compound A (25 mg) (7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-Oxide) 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide 5-Phenyl-7-chloro-3H-1,4-benzodiazepin-2(1H)-one 4-oxide 7-Chloro-2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one 4-oxide NSC 169898 NSC 4607 7-Chloro-5-phenyl-1,5-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide Nordiazepam 4-oxide 7-chloro-5-phenyl-1, 3-dihydro-2H-1, 4-benzodiazpine-2-one-4-oxide Demoxepam solution Oxazepam Impurity 5 (Oxazepam EP Impurity E) 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2 -one-4-oxide [cas#963-39-3] Oxazepam EP Impurity E Chlordiazepoxide EP Impurity A Chlordiazepoxide EP impurity A/ Chlordiazepoxide Related Compund A (Demoxepam) 7-chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazpine-2-one-4-o... Chlordiazepoxide Hydrochloride Impurity A Oxazepam Impurity E Chlordiazepoxide Hydrochloride EP Impurity A Chlordiazepoxide USP Related Compound A Chlordiazepoxide EP Impurity A Chlordiazepoxide Related Compound A (7-Chloro-1,3-dihydro-5- phenyl-2H-1,4-benzodiazepin-2-one 4-Oxide) 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-Oxide (Demoxepam) Demoxepam, 1mg/ml in Acetonitrile Demoxepam 1.0 mg/ml in Methanol Oxazepam Impurity 5 Chlordiazepoxide Related CoMpound A 963-39-3 Aromatics Heterocycles Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals