Cas 959493-67-5,7-<i>p</i>-tolyl-hept-6-ynoic acid

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Check Digit Verification of cas no

The CAS Registry Mumber 959493-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,4,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 959493-67:
(8*9)+(7*5)+(6*9)+(5*4)+(4*9)+(3*3)+(2*6)+(1*7)=245
245 % 10 = 5
So 959493-67-5 is a valid CAS Registry Number.

959493-67-5Upstream product

959493-67-5Downstream Products

889452-34-0 4-methyl-N-(7-p-tolyl-hept-6-ynoyl)-benzenesulfonamide

959493-67-5Relevant articles and documents

Lactam synthesis via the intramolecular hydroamidation of alkynes catalyzed by palladium complexes

Patil, Nitin T.,Huo, Zhibao,Bajracharya, Gan B.,Yamamoto, Yoshinori

, p. 3612 - 3614 (2007/10/03)

The palladium complexes catalyzed intramolecular hydroamidation reaction of amidoalkynes gives the corresponding lactams in good to high yields. For example, in the presence of 10 mol % of Pd(PPh3)4 and 20 mol % of PhCOOH, the reacti

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959493-67-5