106503 • Extended & Official

The "solid" story regarding the number 106503 (or CAS number 106-50-3) centers on , a powerful and highly functional chemical compound that holds a complex, dual role in modern consumer safety and industry.

Essentially, 106-50-3 is the chemical that enables the permanence people want in hair color, while creating the skin reactions they fear. More detailed on PPD allergy symptoms? 106503

Specific for 106503 in a particular region? The "solid" story regarding the number 106503 (or

Let me know which angle of this story you'd like to dive into! 10 CSR 10-6.110 - Missouri Secretary of State 106503