933046-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 933046-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,3,0,4 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 933046-23:
(8*9)+(7*3)+(6*3)+(5*0)+(4*4)+(3*6)+(2*2)+(1*3)=152
152 % 10 = 2
So 933046-23-2 is a valid CAS Registry Number.
933046-23-2Relevant articles and documents
Synthetic transformations of higher terpenoids: XIV. Synthesis of pyrrololabdanoids from lambertianic acid
Chernov,Shul'ts,Shakirov,Tolstikov
, p. 828 - 838 (2006)
Treatment of lambertianic acid methyl ester with lead tetraacetate gave terpenoid 2,5-diacetoxydihydrofuran which reacted with primary amines to yield 3-terpenyl-substituted pyrrol-2(5H)-ones; the reaction with hydrazine led to the corresponding pyridazin
