Learn how to calculate molecular weight (molecular mass) with our easy 2026 guide. Access clear step-by-step examples and our complete IUPAC Full element table.

Fatemeh is a Medical Biotechnologist and researcher. With extensive expertise in genetic engineering, molecular cloning, and cancer biology, she combines her rigorous laboratory background with ...

Sanger Chromatogram Viewer is a fast, browser-based utility for inspecting and validating Sanger sequencing trace files without desktop software. The tool lets you upload .scf, .ab, ab1, and abi ...

Method for identifying separate sequences.

The Random Sequence Generator is a free online tool designed to help you easily generate synthetic biological sequences, including DNA, RNA, and proteins. These sequences are applicable to a variety ...

Convert between PDB, SDF, MOL2, SMILES, and 100+ other formats. Tip: If you see an error, your selected input format might not match your file’s actual format. Check the Troubleshooting Guide for help ...

The FASTA File Format Converter is a simple online tool that helps you turn your FASTA files into other formats with just a few clicks. You don’t need to install ...

Our AB1 & ABI Chromatogram Viewer is a specialized platform designed for the comprehensive observation and analysis of Sanger sequencing data. It allows researchers to open and inspect .ab1 and .abi ...

Used this tool in your research? Cite it instantly and export to BibTeX, EndNote, RIS, and more. The Reverse Translate tool is a professional bioinformatics application designed to back-translate ...

Our SRA to FASTQ Converter is a web tool designed for bioinformaticians and researchers who work with next-generation sequencing (NGS) data. It quickly converts compressed SRA files into the widely ...

Our Primer Tm Calculator is a free online tool that quickly and accurately predicts the melting temperature (Tm) of a DNA primer. It helps anyone designing PCR primers to quickly check melting ...

Leave one field blank to calculate it. Navigating the world of chemical concentrations can be complex, with various units used across different fields. Two of the most common units—parts per million ...