344582-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344582-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,5,8 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 344582-32:
(8*3)+(7*4)+(6*4)+(5*5)+(4*8)+(3*2)+(2*3)+(1*2)=147
147 % 10 = 7
So 344582-32-7 is a valid CAS Registry Number.
344582-32-7Relevant articles and documents
4-ω-BROMOALKAPOLYENYLMETHYL KETONES-II; USE OF 5-BROMO-3-PENTEN-2-ONE ETHYLENE KETAL AS A C5-SYNTHON
Camps, J.,Font, J.,March, P. De
, p. 2493 - 2500 (2007/10/02)
The preparation of the phosphonium salt and the dimethyl-phosphonate of (E)-5-bromo-3-penten-2-one ethylene ketal, 6 and 7, is described.These C5-isoprenoid synthons were condensed with several aldehydes and ketones giving mixtures of the corresponding E
