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1014977-91-3

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1014977-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1014977-91-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,4,9,7 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1014977-91:
(9*1)+(8*0)+(7*1)+(6*4)+(5*9)+(4*7)+(3*7)+(2*9)+(1*1)=153
153 % 10 = 3
So 1014977-91-3 is a valid CAS Registry Number.

1014977-91-3Relevant articles and documents

Efficient approaches to S-alkyl-N-alkylisothioureas: Syntheses of histamine H3 antagonist clobenpropit and its analogues

Yoneyama, Hiroki,Shimoda, Ayako,Araki, Lisa,Hatano, Kouta,Sakamoto, Yasuhiko,Kurihara, Takushi,Yamatodani, Atsushi,Harusawa, Shinya

, p. 2096 - 2104 (2008/09/19)

(Chemical Equation Presented) S-Alkyl-N-alkylisothioureas were efficiently synthesized via synthetic approach (A) using 3-phenylpro-pionyl isothiocyanate (PPI). The utility of the approach was proved by the syntheses of clobenpropit, a potent histamine H3 antagonist, and its analogues. Alternatively, clobenpropit could be prepared via intramolecular amide cleavage (B) with use of 2-nitrophenylacetyl isothiocyanate (NPAI).

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