81034-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81034-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,3 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81034-19:
(7*8)+(6*1)+(5*0)+(4*3)+(3*4)+(2*1)+(1*9)=97
97 % 10 = 7
So 81034-19-7 is a valid CAS Registry Number.
81034-19-7Relevant academic research and scientific papers
STEREOSELECTIVE PREPARATION OF γ-BUTYROLACTONE DERIVATIVES FROM γ-HYDROXY-α-NITRO-OLEFIN AND ACTIVE METHYLENE COMPOUNDS
Sakakibara, Tohru,Ikeda, Yutaka,Miura, Toshinara,Sudoh, Rokuro
, p. 99 - 100 (2007/10/02)
Steroselective preparation of γ-butyrolactone derivates from 5,5-dimethyl-3-nitrocyclohex-2-en-1-ol and active methylene compounds is described.