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(4R,5S)-2,2,4,7-Tetramethyl-1,3-dioxa-spiro[4.4]non-6-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

677751-83-6

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677751-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 677751-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,7,5 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 677751-83:
(8*6)+(7*7)+(6*7)+(5*7)+(4*5)+(3*1)+(2*8)+(1*3)=216
216 % 10 = 6
So 677751-83-6 is a valid CAS Registry Number.

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