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3-amino-9-methoxy-1-p-tolyl-3H-benzo[f]chromene-2-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1229520-61-9

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1229520-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229520-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,5,2 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1229520-61:
(9*1)+(8*2)+(7*2)+(6*9)+(5*5)+(4*2)+(3*0)+(2*6)+(1*1)=139
139 % 10 = 9
So 1229520-61-9 is a valid CAS Registry Number.

1229520-61-9Upstream product

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