17140-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17140-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,4 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17140-12:
(7*1)+(6*7)+(5*1)+(4*4)+(3*0)+(2*1)+(1*2)=74
74 % 10 = 4
So 17140-12-4 is a valid CAS Registry Number.
17140-12-4Relevant articles and documents
Synthesis of [N-13CE3] drugs (Chlorpromazine, triflupromazine and promazine)
Kitamura, Keisuke,Fujitani, Kazuyoshi,Takahashi, Keiko,Tanaka, Yoshimi,Hirako, Syou,Kotani, Chie,Hashimoto, Tomoko,Takegami, Shigehiko
, p. 865 - 872 (2000)
These [N-13CH3] containing drugs (chlorpromazine, triflupromazine and promazine) have been synthesized by means of a two-step demethylation/methylation procedure.