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5-amino-3-(2-amino-3-hydroxy-propyl)-1H-indole-4,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

689225-44-3

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689225-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 689225-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,2 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 689225-44:
(8*6)+(7*8)+(6*9)+(5*2)+(4*2)+(3*5)+(2*4)+(1*4)=203
203 % 10 = 3
So 689225-44-3 is a valid CAS Registry Number.

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