71221-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71221-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,2 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71221-29:
(7*7)+(6*1)+(5*2)+(4*2)+(3*1)+(2*2)+(1*9)=89
89 % 10 = 9
So 71221-29-9 is a valid CAS Registry Number.
71221-29-9Relevant articles and documents
A Regiospecific Route to Conjugated Enones via α-Phenylthio Ketones
Durman, John,Elliott, Jason,McElroy, Andrew B.,Warren, Stuart
, p. 1237 - 1244 (2007/10/02)
2,5-Dimethylhex-4-en-3-one, E-6-methylhept-2-en-4-one, E-7-methyloct-4-en-3-one, ar-tumerone, and E-7-oxo-oct-5-enoic acid were synthesized regiospecifically via α-phenylthio ketones from bisphenylthio carbanions and aldehydes.
