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5,6,7,8,9,10-hexahydro-benz[a]azulene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

34219-87-9

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34219-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34219-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,1 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34219-87:
(7*3)+(6*4)+(5*2)+(4*1)+(3*9)+(2*8)+(1*7)=109
109 % 10 = 9
So 34219-87-9 is a valid CAS Registry Number.

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