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2,3-dimethoxy-(4brN,10cc)-14,15-dihydro-10cH-[1,3]dioxolo[4'',5'':6',7']indeno[2',1':4,5]oxazolo[4,3-a]isoquinolin-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71622-50-9

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71622-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71622-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,2 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71622-50:
(7*7)+(6*1)+(5*6)+(4*2)+(3*2)+(2*5)+(1*0)=109
109 % 10 = 9
So 71622-50-9 is a valid CAS Registry Number.

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