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1,4-bis-(4-acetylamino-phenyl)-but-2t-ene-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

100816-54-4

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100816-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100816-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100816-54:
(8*1)+(7*0)+(6*0)+(5*8)+(4*1)+(3*6)+(2*5)+(1*4)=84
84 % 10 = 4
So 100816-54-4 is a valid CAS Registry Number.

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