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Cl 19506 7-5526

CAS No.
5393-55-5
Chemical Name:
Cl 19506 7-5526
Synonyms
NSC 4729;Acetazolamide EP IMP B;Acetazolamide EP Impurity B;2-AcetaMido-1,3,4-thiadiazole;2-AcetylaMino-1,3,4-thiadiazole;Acetamide, N-1,3,4-thiadiazol-2-yl-;Acetazolamide Impurity 2(Acetazolamide EP Impurity B)
CBNumber:
CB81246856
Molecular Formula:
C4H5N3OS
Molecular Weight:
143.17
MDL Number:
MFCD00500775
MOL File:
5393-55-5.mol
MSDS File:
SDS
Last updated:2026-09-12 18:55:12

Cl 19506 7-5526 Properties

Melting point 350 °C
Density 1.454±0.06 g/cm3(Predicted)
solubility DMSO (Sparingly, Sonicated), Methanol (Slightly)
pka 9.62±0.50(Predicted)
form Solid
color White to Off-White
FDA UNII 26F2JM0PP8

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338
Toxicity mouse,LD50,intraperitoneal,1022mg/kg (1022mg/kg),National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. Vol. JAN1986,

Cl 19506 7-5526 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-T343950-1G N-1,3,4-Thiadiazol-2-ylacetamide >95%(HPLC) 5393-55-5 1g $264 2026-06-03 Buy
TRC TRC-T343950-10G N-1,3,4-Thiadiazol-2-ylacetamide >95%(HPLC) 5393-55-5 10g $1958 2026-06-03 Buy
Activate Scientific AS189792 N-(1,3,4-Thiadiazol-2-yl)acetamide 97% 5393-55-5 100mg $170 2026-06-04 Buy
Activate Scientific AS189792 N-(1,3,4-Thiadiazol-2-yl)acetamide 97% 5393-55-5 250mg $292 2026-06-04 Buy
Activate Scientific AS189792 N-(1,3,4-Thiadiazol-2-yl)acetamide 97% 5393-55-5 1g $636 2026-06-04 Buy
Product number Packaging Price Buy
TRC-T343950-1G 1g $264 Buy
TRC-T343950-10G 10g $1958 Buy
AS189792 100mg $170 Buy
AS189792 250mg $292 Buy
AS189792 1g $636 Buy

Cl 19506 7-5526 Chemical Properties, Uses, Production

Uses

N-1,3,4-Thiadiazol-2-ylacetamide is an impurity of Acetazolamide (A161500). Acetazolamide impurity B.

Uses

N-1,3,4-Thiadiazol-2-ylacetamide is an impurity of Acetazolamide (A161500). Acetazolamide EP Impurity B

Cl 19506 7-5526 Preparation Products And Raw materials

Raw materials

Preparation Products

Cl 19506 7-5526 Suppliers

Global Suppliers ( 52)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15350 60
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4777 55
BOC Sciences 16314854226 info@bocsci.com United States 9909 65
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Shanghai CR Corporation Limited 13917420128 13062833949 fred.wen@crcorporation.cn China 9776 58
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Aikon International Limited 025-66113011 19370895928 qzhang@aikonchem.com China 15390 58
2-AcetaMido-1,3,4-thiadiazole 2-AcetylaMino-1,3,4-thiadiazole NSC 4729 Acetazolamide EP Impurity B Acetazolamide Impurity 2(Acetazolamide EP Impurity B) Acetazolamide EP IMP B Acetamide, N-1,3,4-thiadiazol-2-yl- 5393-55-5 Sulfur & Selenium Compounds Amines Heterocycles Impurities Intermediates & Fine Chemicals Pharmaceuticals