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3-isobutyl-2,8,8-trimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

664970-94-9

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664970-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 664970-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,9,7 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 664970-94:
(8*6)+(7*6)+(6*4)+(5*9)+(4*7)+(3*0)+(2*9)+(1*4)=209
209 % 10 = 9
So 664970-94-9 is a valid CAS Registry Number.

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