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R,S-N-(<3,4-Dihydro-3-<3-methoxyphenyl>-4-oxo-2-chinazolinyl>-hydroxymethyl)acetamid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81557-46-2

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81557-46-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81557-46-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,5 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81557-46:
(7*8)+(6*1)+(5*5)+(4*5)+(3*7)+(2*4)+(1*6)=142
142 % 10 = 2
So 81557-46-2 is a valid CAS Registry Number.

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