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9-methyl-3-(4-nitro-benzylidene)-9H-benzo[4,5]imidazo[1,2-a]imidazol-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

43181-94-8

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43181-94-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43181-94-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,8 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 43181-94:
(7*4)+(6*3)+(5*1)+(4*8)+(3*1)+(2*9)+(1*4)=108
108 % 10 = 8
So 43181-94-8 is a valid CAS Registry Number.

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