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4H-1-Benzopyran-4-one, 5-fluoro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1386253-18-4

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1386253-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1386253-18-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,6,2,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1386253-18:
(9*1)+(8*3)+(7*8)+(6*6)+(5*2)+(4*5)+(3*3)+(2*1)+(1*8)=174
174 % 10 = 4
So 1386253-18-4 is a valid CAS Registry Number.

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