183728-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183728-64-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,7,2 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183728-64:
(8*1)+(7*8)+(6*3)+(5*7)+(4*2)+(3*8)+(2*6)+(1*4)=165
165 % 10 = 5
So 183728-64-5 is a valid CAS Registry Number.
183728-64-5Relevant articles and documents
Efficient intramolecular general acid catalysis of the hydrolysis of a dialkyl acetal
Brown, Christopher J.,Kirby, Anthony J.
, p. 2355 - 2356 (1996)
The hydrolysis of benzaldehyde acetal 3, catalysed by the neighbouring carboxy group, is some 105 times faster than that of a comparable system 6, which does not form a strong intramolecular hydrogen bond in the transition state for the reaction.