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Merck
CN

PHR1932

Isoniazid

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Isoniazid, 4-Pyridinecarboxylic acid hydrazide, INH, Isonicotinic acid hydrazide, Isonicotinic hydrazide

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About This Item

Empirical Formula (Hill Notation):
C6H7N3O
CAS Number:
54-85-3
Molecular Weight:
137.14
EC Number:
200-214-6
UNSPSC Code:
41116107
NACRES:
NA.24
Beilstein/REAXYS Number:
119374
MDL number:
MFCD00006426

Key Documents

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Product Name

Isoniazid, Pharmaceutical Secondary Standard; Certified Reference Material

InChI key

QRXWMOHMRWLFEY-UHFFFAOYSA-N

InChI

1S/C6H7N3O/c7-9-6(10)5-1-3-8-4-2-5/h1-4H,7H2,(H,9,10)

SMILES string

NNC(=O)c1ccncc1

grade

certified reference material
pharmaceutical secondary standard

agency

traceable to Ph. Eur. I0500000
traceable to USP 1349706

API family

isoniazid

form

powder

CofA

current certificate can be downloaded

packaging

pkg of 500 mg

mp

171-173 °C (lit.)

application(s)

pharmaceutical

storage temp.

2-8°C

Quality Level

300

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Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Biochem/physiol Actions

Antibiotic for treatment of Mycobacterium tuberculosis, inhibits mycolic acid biosynthesis. Metabolized by hepatic N-acetyltransferase (NAT) and cytochrome P450 2E1 (CYP2E1) to form hepatotoxins. Selectively induces expression of CYP2E1. Reversibly inhibits CYP2C19 and CYP3A4 activities, and mechanistically inactivates CYP1A2, CYP2A6, CYP2C19 and CYP3A4 at clinically relevant concentrations.

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
To see an example of a Certificate of Analysis for this material enter LRAC3171 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H315

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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