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2-((E)-3-Dimethylamino-1-furan-2-yl-allylidene)-malononitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109991-67-5

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109991-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109991-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,9 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109991-67:
(8*1)+(7*0)+(6*9)+(5*9)+(4*9)+(3*1)+(2*6)+(1*7)=165
165 % 10 = 5
So 109991-67-5 is a valid CAS Registry Number.

109991-67-5Upstream product

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