81112-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81112-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,1 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81112-86:
(7*8)+(6*1)+(5*1)+(4*1)+(3*2)+(2*8)+(1*6)=99
99 % 10 = 9
So 81112-86-9 is a valid CAS Registry Number.
81112-86-9Relevant articles and documents
SYNTHESIS OF 4-YLIDENEBUTENOLIDES FROM 2-TRIMETHYLSILOXYFURAN
Asaoka, Morio,Yanagida, Noboru,Ishibashi, Keiji,Takei, Hisashi
, p. 4269 - 4270 (2007/10/02)
Dehydration or dealkoxylation of the reaction products of various aldehydes, ketones, and acetals with 2-trimethylsiloxyfuran gave corresponding 4-ylidenebutenolides in good to high overall yields.
