155531-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155531-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,5,3 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155531-77:
(8*1)+(7*5)+(6*5)+(5*5)+(4*3)+(3*1)+(2*7)+(1*7)=134
134 % 10 = 4
So 155531-77-4 is a valid CAS Registry Number.
155531-77-4Relevant academic research and scientific papers
Synthesis of carba-strigol analogues
Kishimba, M. A.,Zwanenburg, B.
, p. 21 - 28 (2007/10/02)
Carba analogues 1, 14, 15 and 16 of Strigol were synthesised in which the vinyl ether oxygen is replaced by methylene.Compound 1 was prepared by the Wittig reaction of ylid 2 with aldehyde 3.Compounds 14, 15, and 16, for which this approach failed, were p
