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N-(6-Chloro-3-cyano-4-p-tolyl-4H-benzo[h]chromen-2-yl)-formamidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

198645-70-4

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198645-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198645-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,6,4 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 198645-70:
(8*1)+(7*9)+(6*8)+(5*6)+(4*4)+(3*5)+(2*7)+(1*0)=194
194 % 10 = 4
So 198645-70-4 is a valid CAS Registry Number.

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