214423-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214423-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,4,2 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 214423-11:
(8*2)+(7*1)+(6*4)+(5*4)+(4*2)+(3*3)+(2*1)+(1*1)=87
87 % 10 = 7
So 214423-11-7 is a valid CAS Registry Number.
214423-11-7Relevant academic research and scientific papers
Ethyl 4-bromocrotonate in the synthesis of pyrido[3′,2′:4,5]thieno[3,2-d]pyridin-2(1H)-ones
Ivanov,Artemov,Shestopalov,Litvinov
, p. 237 - 240 (2007/10/03)
Pyrido[3′,2′:4,5]thieno[3,2-d]pyridin-2(1H)-ones were synthesized from 3-cyano-2(1H)-pyridinethiones and ethyl 4-bromocrotonate. 1998 Plenum Publishing Corporation.
