99885-98-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99885-98-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,8 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99885-98:
(7*9)+(6*9)+(5*8)+(4*8)+(3*5)+(2*9)+(1*8)=230
230 % 10 = 0
So 99885-98-0 is a valid CAS Registry Number.
99885-98-0Relevant articles and documents
1,2,3,4,5,5-Hexamethyl-6-methylenecyclohexa-1,3-diene and 1,2,3,4,4,5-Hexamethyl-6-methylenebicyclohex-2-ene
Askani, Rainer,Wieduwilt, Manfred
, p. 1098 - 1103 (2007/10/02)
The title compounds 3 and 5, respectively, have been synthesized.On treatment of 3 with acids rapid isomerization to 2 takes place.Rearrangement of 5 to homofulvene 4 occurs at 60 deg C within 3 hours.
