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3-(3-nitro-phenyl)-isoxazole-4-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21172-10-1

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21172-10-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21172-10-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,7 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21172-10:
(7*2)+(6*1)+(5*1)+(4*7)+(3*2)+(2*1)+(1*0)=61
61 % 10 = 1
So 21172-10-1 is a valid CAS Registry Number.
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