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5-(difluoromethyl)-2,7-dimethylpyrazolo[1,5-a]pyrimidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

438224-02-3

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438224-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 438224-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,2,2 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 438224-02:
(8*4)+(7*3)+(6*8)+(5*2)+(4*2)+(3*4)+(2*0)+(1*2)=133
133 % 10 = 3
So 438224-02-3 is a valid CAS Registry Number.

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