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5,6,11-trimethyl-1,2,3,4-tetrahydropyrido[4,3-b]carbazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

261895-41-4

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261895-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 261895-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,8,9 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 261895-41:
(8*2)+(7*6)+(6*1)+(5*8)+(4*9)+(3*5)+(2*4)+(1*1)=164
164 % 10 = 4
So 261895-41-4 is a valid CAS Registry Number.

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