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Methanone, (3-amino-4,5-dihydro-2-thienyl)phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

31890-76-3

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31890-76-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31890-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,9 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31890-76:
(7*3)+(6*1)+(5*8)+(4*9)+(3*0)+(2*7)+(1*6)=123
123 % 10 = 3
So 31890-76-3 is a valid CAS Registry Number.

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