15399-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15399-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,9 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15399-67:
(7*1)+(6*5)+(5*3)+(4*9)+(3*9)+(2*6)+(1*7)=134
134 % 10 = 4
So 15399-67-4 is a valid CAS Registry Number.
15399-67-4Relevant 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.