92897-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92897-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,8,9 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 92897-93:
(7*9)+(6*2)+(5*8)+(4*9)+(3*7)+(2*9)+(1*3)=193
193 % 10 = 3
So 92897-93-3 is a valid CAS Registry Number.
92897-93-3Relevant articles and documents
DARSTELLUNG UND REAKTIONEN VON 1,3-BIS-(TRIMETHYLSILOXY)-ISOBENZOFURANEN
Troll, T.,Schmid, K.
, p. 2981 - 2984 (2007/10/02)
1,3-Bis-(trimethylsiloxy)-isobenzofuran (2a) can be prepared from dihydro phthalic anhydride.It is not stable under the reaction conditions but can be trapped with dienophiles.The tetraphenyl derivative 2b showed to be more stable towards protonation.
