142429-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142429-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,2 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142429-28:
(8*1)+(7*4)+(6*2)+(5*4)+(4*2)+(3*9)+(2*2)+(1*8)=115
115 % 10 = 5
So 142429-28-5 is a valid CAS Registry Number.
142429-28-5Relevant articles and documents
An efficient synthesis of furanocoumarins
Zubia,Luis,Massanet,Collado
, p. 4239 - 4246 (2007/10/02)
An efficient synthesis of linear and angular furanocoumarins has been carried out starting from iodoumbelliferone derivatives. First synthesis of 6-iodoumbelliferone is described. The average yields are higher than those reported before.