Skip to Content
Merck
CN

Key Documents

View All Documentation

R0900000

Rifamycin B

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Rifamycin impurity A

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C39H49NO14
CAS Number:
13929-35-6
Molecular Weight:
755.80
UNSPSC Code:
41116107
NACRES:
NA.24
Beilstein/REAXYS Number:
604953
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

pharmaceutical primary standard

API family

rifamycin, rifampicin

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

N1c2c(c3c(c4c(c(c3O)C)O[C@](O\C=C\[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]([C@H](\C=C\C=C(/C1=O)\C)C)O)C)O)C)OC(=O)C)C)OC)(C4=O)C)c(c2)OCC(=O)O)O

InChI

1S/C39H49NO14/c1-17-11-10-12-18(2)38(49)40-24-15-26(51-16-27(42)43)28-29(34(24)47)33(46)22(6)36-30(28)37(48)39(8,54-36)52-14-13-25(50-9)19(3)35(53-23(7)41)21(5)32(45)20(4)31(17)44/h10-15,17,19-21,25,31-32,35,44-47H,16H2,1-9H3,(H,40,49)(H,42,43)/b11-10+,14-13+,18-12-/t17-,19+,20+,21+,25-,31-,32+,35+,39-/m0/s1

InChI key

SQTCRTQCPJICLD-KTQDUKAHSA-N

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Rifamycin B EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品

This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Ansgar Stratmann et al.
The Journal of antibiotics, 55(4), 396-406 (2002-06-14)
Proansamycin B, the formerly postulated intermediate of rifamycin B biosynthesis, was isolated from cultures of the Amycolatopsis mediterranei mutant F1/24. The structure was determined using UV, IR, NMR and MS techniques. Biotransformation studies demonstrate that proansamycin B is an intermediate
Prashant M Bapat et al.
Biotechnology and bioengineering, 93(4), 779-790 (2005-11-23)
Industrial fermentations typically use media that are balanced with multiple substitutable substrates including complex carbon and nitrogen source. Yet, much of the modeling effort to date has mainly focused on defined media. Here, we present a structured model that accounts
H G Floss
Journal of industrial microbiology & biotechnology, 27(3), 183-194 (2002-01-10)
The evolution of the field of biosynthesis from the unravelling of the mode of formation of natural products to the use of such knowledge to create new compounds is reviewed using examples from the author's laboratory. The discussion focuses on
View All Related Papers

Global Trade Item Number

SKUGTIN
R090000004061833814734