GB/T 5327-1985
Replaced
T/SDHCIA 031-2022
Active
Group standards
T/SDHCIA 031-2022 Cefalosporin medicinal intermediate by-product 2-mercaptobenzothiozole (MBT)
T/SDHCIA 031-2022 Cefalosporin medicinal intermediate by-product 2-mercaptobenzothiozole (MBT)
Price:
$ 20.00
Basic Information
Standard Code:
T/SDHCIA 031-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Surfactants and other auxiliary agents
Publish Date:
2022-10-27
Implement Date:
2022-10-27
Scope
Main technical content: This document specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage of 2-mercaptobenzothiazole (MBT), a by-product of cephalosporin pharmaceutical intermediates. This document is applicable to the production process of cephalosporin drugs, such as the production of cefazolin, during which 2-mercaptobenzothiazole (MBT) is produced as a by-product. In the production process, an active ester containing the S-(2-benzothiazole) structure is acylated, separated, and refined to obtain the final product.
Development Information
Related Standards
GB/T 5328-1985
Active
GB/T 5328-1985 Surface active agents—Simplified classification
GB/T 5553-1985
Replaced
GB/T 5553-1985 Surface active agents—Textile auxiliaries—Method for determination of water repellency of waterprooting agents—Hydrostatic pressure test
GB/T 5554-1985
Replaced
GB/T 5554-1985 Surface active agents—Textile auxiliaries—method for determination of water repellency of waterprooting agents—Spray test
GB/T 6365-1986
Replaced
GB/T 6365-1986 Surface active agents—Determination of free alkalinity or free acidity—Titrimetric method
GB/T 6369-1986
Replaced