Cohance Lifesciences Senior Chemist Interview Questions and Answers for Experienced

The Ich limit for methanol is 0.6% and it is classified as a class 3 solvent.

• The Ich limit for methanol refers to the maximum allowable amount of methanol in a pharmaceutical product.

• The Ich limit for methanol is set at 0.6%, meaning that the concentration of methanol should not exceed 0.6% in the product.

• Methanol is classified as a class 3 solvent according to the International Council for Harmonisation of Technical R...read more

The specification limit for known and unknown impurities varies depending on the specific substance being tested.

• The specification limit for known impurities is typically set by regulatory agencies or pharmacopoeias.

• For example, the United States Pharmacopeia (USP) sets limits for known impurities in pharmaceutical substances.

• The specification limit for unknown impurities is usually determined through method validation...read more

HPLC stands for High-Performance Liquid Chromatography, a technique used to separate, identify, and quantify components in a mixture.

• HPLC is a widely used analytical technique in chemistry and biochemistry.

• It involves the use of a liquid mobile phase and a stationary phase to separate and analyze components in a sample.

• The separation is based on the differential interaction of the sample components with the stationary ...read more

P2P cycle refers to the process of procuring goods or services from a supplier and making payments for them.

• The cycle starts with identifying the need for goods or services.

• The next step is to create a purchase order (PO) and send it to the supplier.

• The supplier then delivers the goods or services and sends an invoice to the buyer.

• The buyer verifies the invoice and matches it with the PO and goods received.

• If everythin...read more