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6-(4-Ethoxy-phenyl)-6,8-diaza-spiro[3.5]nonane-5,7,9-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77500-86-8

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77500-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77500-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,0 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77500-86:
(7*7)+(6*7)+(5*5)+(4*0)+(3*0)+(2*8)+(1*6)=138
138 % 10 = 8
So 77500-86-8 is a valid CAS Registry Number.

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