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(+/-)-cis-2,2-dimethyl-3-(2',2'-dimethylvinyl)cyclopropanecarboxamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19902-09-1

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19902-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19902-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,0 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19902-09:
(7*1)+(6*9)+(5*9)+(4*0)+(3*2)+(2*0)+(1*9)=121
121 % 10 = 1
So 19902-09-1 is a valid CAS Registry Number.

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