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4-{4-nitrophenyl}-1,7,8,9-tetraphenyl-4-azatricyclo[5.2.1.0~2,6~]dec-8-ene-3,5,10-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

499187-73-4

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499187-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 499187-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,1,8 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 499187-73:
(8*4)+(7*9)+(6*9)+(5*1)+(4*8)+(3*7)+(2*7)+(1*3)=224
224 % 10 = 4
So 499187-73-4 is a valid CAS Registry Number.

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