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35969-50-7

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35969-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35969-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,9,6 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 35969-50:
(7*3)+(6*5)+(5*9)+(4*6)+(3*9)+(2*5)+(1*0)=157
157 % 10 = 7
So 35969-50-7 is a valid CAS Registry Number.

35969-50-7Relevant articles and documents

Application of organolithium and related reagents in synthesis. Part XI. Metallation of 2-methyl- and 4-methylnicotinic acids. A useful method for preparation of aza-isocoumarins

Epsztajn,Plotka,Scianowski

, p. 1239 - 1247 (2007/10/02)

The metallation (LDA/THF) of 2-methyl- and 4-methylnicotinic acids (1) and (2), and the subsequent reaction of the lithiated species (3) and (4) with carbonyl electrophiles as a synthetic route of 5-aza- and 7-aza-isocoumarins (7), (8), (9) and (10), is d

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