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1H-Pyrimido[4,5-e][1,3,4]thiadiazin-7(6H)-one, 5-methyl-1-phenyl-3-(phenylazo)-, hydrazone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

840504-05-4

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840504-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840504-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 840504-05:
(8*8)+(7*4)+(6*0)+(5*5)+(4*0)+(3*4)+(2*0)+(1*5)=134
134 % 10 = 4
So 840504-05-4 is a valid CAS Registry Number.

840504-05-4Upstream product

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