Thiopental sodium and sodium carbonate E.P./BP

Main Info

Description

Mixture of sodium 5-ethyl-5-{(1RS)1-methylbutyl}-4,6-dioxo-1,4,5,6-tetrahydropyrimidine-2-thiolate and anhydrous sodium carbonate. Yellowish –white hygroscopic powder.

CAS No.

71-73-8

Therapeutic Category

Anesthetic Agent

Structural formula

C₁₁H₁₇N₂NaO₂S

Molecular formula

northernsynthesis-formulas-02

Molecular mass

264.3

Specification

Characters

A yellowish-white powder, hygroscopic, freely soluble in water, partly soluble in anhydrous ethanol.

Identification

Tests A;B;C;D;E as per E.P.

Appearance of solution

As per E.P.

Chlorides

NMT 330 ppm

Loss on drying, %

NMT 2.5

Assay (anhydrous substance)

Sodium, %

10.2 – 11.2

Thiopental, %

84.0 – 87.0

Related impurities, HPLC

Impurity A, %

NMT 0.1

Impurity B, %

NMT 1.0

Impurity C, %

NMT 3.0

Impurity D, %

NMT 0.3

Unspecified impurities, %

NMT 0.10

Total impurities substance, %

NMT 5.0

Thiopental sodium and sodium carbonate E.P./BP

Description

CAS No.

Therapeutic Category

Structural formula

Molecular formula

Molecular mass

Characters

Identification

Appearance of solution

Chlorides

Loss on drying, %

Assay (anhydrous substance)

Sodium, %

Thiopental, %

Related impurities, HPLC

Impurity A, %

Impurity B, %

Impurity C, %

Impurity D, %

Unspecified impurities, %

Total impurities substance, %

Products

Thiopental sodium and sodium carbonate E.P./BP

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