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87496-32-0

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87496-32-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87496-32-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,9 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87496-32:
(7*8)+(6*7)+(5*4)+(4*9)+(3*6)+(2*3)+(1*2)=180
180 % 10 = 0
So 87496-32-0 is a valid CAS Registry Number.

87496-32-0Downstream Products

87496-32-0Relevant articles and documents

SATURATED HETEROCYCLES. 47. SYNTHESIS OF SOME TETRAHYDROISOQUINOLINE CONDENSED 1,3-HETEROCYCLES

Fueloep, Ferenc,El-Gharib, M. Sami,Sohajda, Attila,Bernath, Gabor,Kobor, Jeno,Dombi, Gyoergy

, p. 1325 - 1329 (2007/10/02)

Calycotomine (2) and homocalycotomine (3) reacted with isothiocyanates to give the corresponding thiocarbamides (4, 5).The latter were treated with methyl iodide, and subsequent elimination of methyl mercaptan on treatment with alkali afforded 1,3-oxazolo-isoquinolines (6) and 1,3-oxazinoisoquinolines(7). 1,3-Thiazoloisoquinolines (8) and 1,3-thiazinoisoquinolines (9) were prepared from 4 and 5 with hydrogen chloride.Compound 7a was also synthetised by the reaction of 3 with phenyl isocyanate, followed by the elimination of water; 9a was obtainable from 7a by treatment with P4S10.The structures of compounds 6-9 were confirmed by 1H NMR.

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