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[7-(tert-butoxycarbonylmethoxy)coumarin-4-yl]diazomethane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

339291-35-9

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339291-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 339291-35-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,2,9 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 339291-35:
(8*3)+(7*3)+(6*9)+(5*2)+(4*9)+(3*1)+(2*3)+(1*5)=159
159 % 10 = 9
So 339291-35-9 is a valid CAS Registry Number.

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