397869-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397869-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,8,6 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 397869-09:
(8*3)+(7*9)+(6*7)+(5*8)+(4*6)+(3*9)+(2*0)+(1*9)=229
229 % 10 = 9
So 397869-09-9 is a valid CAS Registry Number.
397869-09-9Relevant articles and documents
Reaction of 2-chloromethylbenzimidazoles with acetylacetone and benzoylacetone. Basic breakdown of β-diketones
Popov
, p. 918 - 922 (2007/10/03)
Base treatment of the products of alkylalion of β-diketones by 2-chloromethylbenzimidazole under phase transfer catalysis (PTC) conditions causes loss of the acetyl group and formation of methylethyl- or ethylphenyl ketones. 1997 Plenum Publishing Corpora
