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4β-hydroxytrichotheca-9,12-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33809-40-4

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33809-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33809-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33809-40:
(7*3)+(6*3)+(5*8)+(4*0)+(3*9)+(2*4)+(1*0)=114
114 % 10 = 4
So 33809-40-4 is a valid CAS Registry Number.

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