CAS Number Lookup Tool

Search over 80,000 chemical compounds by CAS number. Get molecular formula, weight, density, melting/boiling point, and more. Free tool by SKYSEVEN Chemical.

1-Methyl-1H-pyrazole-5-sulphonyl chloride (CAS 1020721-61-2)

CAS Number 1020721-61-2
English Name 1-Methyl-1H-pyrazole-5-sulphonyl chloride
Chinese Name 1-甲基-1H-吡唑-5-磺酰氯
Molecular Formula C4H5ClN2O2S
Molecular Weight 180.6127
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About CAS Numbers

A CAS Registry Number is a unique numerical identifier assigned by the Chemical Abstracts Service to every chemical substance described in the open scientific literature. It contains up to 10 digits separated by hyphens (e.g. 107-98-2). Use this free tool to look up any chemical by its CAS number and get molecular properties instantly.

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