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4H-1-Benzopyran-4-one,8-acetyl-7-hydroxy- 2-methyl-3-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

62820-28-4

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62820-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62820-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 62820-28:
(7*6)+(6*2)+(5*8)+(4*2)+(3*0)+(2*2)+(1*8)=114
114 % 10 = 4
So 62820-28-4 is a valid CAS Registry Number.

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