119987-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119987-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,9,8 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 119987-34:
(8*1)+(7*1)+(6*9)+(5*9)+(4*8)+(3*7)+(2*3)+(1*4)=177
177 % 10 = 7
So 119987-34-7 is a valid CAS Registry Number.
119987-34-7Relevant articles and documents
OPTICALLY ACTIVE PHOSPHINE OXIDES. 3. CONJUGATE ADDITION TO VINYL PHOSPHINE OXIDES IN AQUEOUS MEDIUM.
Pietrusiewicz, K. Michal,Zablocka, Maria
, p. 936 - 940 (2007/10/02)
Optically active phosphine oxides are prepared in aqueous medium via Zn(Cu) promoted addition of alkyl halides to (-)-(S)-methyl-phenylvinylphosphine oxides.
