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90987-31-8

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90987-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90987-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,8 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90987-31:
(7*9)+(6*0)+(5*9)+(4*8)+(3*7)+(2*3)+(1*1)=168
168 % 10 = 8
So 90987-31-8 is a valid CAS Registry Number.

90987-31-8Relevant articles and documents

Stereoselective Synthesis of (+/-)-Ancistrofuran and its Stereoisomers

Baker, Raymond,Cottrell, Ian F.,Ravenscroft, Paul D.,Swain, Christopher J.

, p. 2463 - 2468 (2007/10/02)

The four possible stereoisomers of ancistrofuran have been prepared from γ-cyclohomocitral.Addition of 3-furyl-lithium yielded two epimeric alcohols.Each alcohol was epoxidised with m-chloroperbenzoic acid and reduction with lithium aluminium hydride gave

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