87887-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87887-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,8 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87887-09:
(7*8)+(6*7)+(5*8)+(4*8)+(3*7)+(2*0)+(1*9)=200
200 % 10 = 0
So 87887-09-0 is a valid CAS Registry Number.
87887-09-0Relevant articles and documents
2-Bromo-3-methoxycyclohex-2-enone, a New Reagent for the α-Arylation of Lactams
Shepherd, Robin G.,White, Alan C.
, p. 2153 - 2156 (2007/10/02)
We report efficient syntheses of 2-bromo and 2-chloro-3-methoxycyclohex-2-enone and their use as m-hydroxyphenyl cation synthons for the α-arylation of lactams.The sequence has been used to synthesize the analgesic drug meptazinol.
