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681291-92-9

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681291-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 681291-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,2,9 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 681291-92:
(8*6)+(7*8)+(6*1)+(5*2)+(4*9)+(3*1)+(2*9)+(1*2)=179
179 % 10 = 9
So 681291-92-9 is a valid CAS Registry Number.

681291-92-9Relevant articles and documents

Process development of the synthetic route to R116301

Guillaume, Michel,Cuypers, Jef,Dingenen, Jul

, p. 1079 - 1086 (2012/12/30)

We describe in this paper the synthesis of compound 1 (R116301), which was developed to prepare pilot scale quantities (20-50 kg) of drug substance. The synthesis involves the sBuLi deprotonation of Boc-protected piperidone acetal 2, followed b

SUBSTITUTED 4-(4-PIPERIDIN-4-YL-PIPERAZIN-1-YL)-AZEPANE DERIVATIVES AND THEIR USE AS NEUROKININ ANTAGONISTS

-

, (2008/06/13)

The invention concerns substituted 4-(4-piperidin-4-yl-piperazin-1-yl)-azepane derivatives having neurokinin antagonistic activity, in particular NK1 antagonistic activity, their preparation, compositions comprising them and their use as a medicine, in pa

SUBSTITUTED 1-PIPERIDIN-4-YL-4-AZETIDIN-3-YL-PIPERAZINE DERIVATIVES AND THEIR USE AS NEUROKININ ANTAGONISTS

-

, (2010/02/07)

The invention concerns substituted 1-piperidin-4-yl-4-azefdin-3-yl-piperazine having neurokinin antagonistic activity, in particular NK1 and NK1/NK3- antagonistic activity, their preparation, compositions comprising them and their use as a medicine, in pa

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