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[2,4-Bis-benzyloxy-7,8-dihydro-5H-pteridin-(6E)-ylidene]-(6-bromo-2-oxo-2,3-dihydro-1H-indol-3-yl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99284-79-4

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99284-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99284-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,8 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99284-79:
(7*9)+(6*9)+(5*2)+(4*8)+(3*4)+(2*7)+(1*9)=194
194 % 10 = 4
So 99284-79-4 is a valid CAS Registry Number.

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