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4-(4-methoxyphenyl)-4,11a-dihydro-6H-chromeno[3,2-f][1,4]thiazepine-3,6(2H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71809-35-3

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71809-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71809-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,0 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71809-35:
(7*7)+(6*1)+(5*8)+(4*0)+(3*9)+(2*3)+(1*5)=133
133 % 10 = 3
So 71809-35-3 is a valid CAS Registry Number.

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