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138528-82-2

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138528-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138528-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,2 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138528-82:
(8*1)+(7*3)+(6*8)+(5*5)+(4*2)+(3*8)+(2*8)+(1*2)=152
152 % 10 = 2
So 138528-82-2 is a valid CAS Registry Number.

138528-82-2Relevant articles and documents

Reissert Compound Studies. LXIV. Reissert Compound and Other Products From an Isolated N-Benzoylisoquinolinium Triflate Salt

Duarte, F. F.,Popp, F. D.

, p. 1801 - 1804 (2007/10/02)

In the presence of trimethylsilyl trifluoromethanesulfonate, a methylene chloride solution of isoquinoline and benzoyl chloride gave N-benzoylisoquinolinium triflate (3) and N-H-isoquinolinium triflate (4).Depending on the reaction conditions, reaction of 3 may occur on the isoquinoline ring yielding a Reissert compound and 1,2-dihydroisoquinoline species.Otherwise, reactions transpire on the carbonyl of 3 to give an amide, an ester, and an anhydride.

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