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6,6-dimethyl-3'-phenyl-4'H-spiro[bicyclo[3.1.1.]heptane-2,5'-isoxazol]-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21725-97-3

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21725-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21725-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,2 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21725-97:
(7*2)+(6*1)+(5*7)+(4*2)+(3*5)+(2*9)+(1*7)=103
103 % 10 = 3
So 21725-97-3 is a valid CAS Registry Number.

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