90457-82-2 Usage
Approval
In Europe, TDSA is an approved UV filter, which means that this ingredient can be added to sunscreen products that are designed to protect the skin from the sun. In Europe, sunscreen products are considered cosmetic products. In the United States, sunscreen products are OTC drugs. Several OTC sunscreen drug products containing TDSA, which has been approved by the FDA via the NDA process. When used in OTC sunscreen drug products in the United States, this ingredient must be called Ecamsule. For cosmetics and personal care products in the United States, TDSA may be used as an ultraviolet light absorber.
Uses
terephthalylidene dicamphor sulfonic acid is an FDA-approved sunscreen chemical with uV-filtering and absorbing capacities. It has an approved usage level of up to 10 percent in the european union.
Check Digit Verification of cas no
The CAS Registry Mumber 90457-82-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,5 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90457-82:
(7*9)+(6*0)+(5*4)+(4*5)+(3*7)+(2*8)+(1*2)=142
142 % 10 = 2
So 90457-82-2 is a valid CAS Registry Number.
