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1-Benzyl-3-tert.-butyl-7,7-dimethyl-1,2,3,4,5,6,7,8-octahydrochinazolin-5-thion is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128287-30-9

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128287-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128287-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,8 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128287-30:
(8*1)+(7*2)+(6*8)+(5*2)+(4*8)+(3*7)+(2*3)+(1*0)=139
139 % 10 = 9
So 128287-30-9 is a valid CAS Registry Number.

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