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1628799-95-0

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1628799-95-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1628799-95-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,8,7,9 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1628799-95:
(9*1)+(8*6)+(7*2)+(6*8)+(5*7)+(4*9)+(3*9)+(2*9)+(1*5)=240
240 % 10 = 0
So 1628799-95-0 is a valid CAS Registry Number.

1628799-95-0Downstream Products

1628799-95-0Relevant articles and documents

A convenient synthesis of tri- and tetramethylbenzaldehydes from readily available phenols

Dhankher, Persis,Sheppard, Tom D.

, p. 381 - 384 (2014/03/21)

This letter describes a convenient synthesis of the six isomeric tri- and tetramethylbenzaldehydes, which are not readily available from major chemical suppliers. Formylation of readily available phenols via electrophilic aromatic substitution provides compounds containing the correct aromatic substitution pattern. ?Suzuki cross-coupling of the corresponding trifluoromethanesulfonates with methylboronic acid then provides the benzaldehydes as single isomers. Georg Thieme Verlag Stuttgart. New York.

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