103618-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103618-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,1 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103618-47:
(8*1)+(7*0)+(6*3)+(5*6)+(4*1)+(3*8)+(2*4)+(1*7)=99
99 % 10 = 9
So 103618-47-9 is a valid CAS Registry Number.
103618-47-9Relevant articles and documents
CONVENIENT SYNTHETIC ROUTE TO (+/-) -FRONTALIN
Kongkathip, Boonsong,Sokkho, Rongsan,Kongkathip, Ngampong
, p. 1849 - 1850 (1985)
(+/-)-Frontalin was synthesized in a few steps sequence starting from ethyl acetoacetate involving intramolecular cyclization using palladium chloride as catalyst
