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2H-1-Benzothiopyran-3-carboxylic acid, 4-hydroxy-, methyl ester, 1,1-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50845-40-4

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50845-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50845-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,8,4 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50845-40:
(7*5)+(6*0)+(5*8)+(4*4)+(3*5)+(2*4)+(1*0)=114
114 % 10 = 4
So 50845-40-4 is a valid CAS Registry Number.

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