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342900-89-4

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342900-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 342900-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,9,0 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 342900-89:
(8*3)+(7*4)+(6*2)+(5*9)+(4*0)+(3*0)+(2*8)+(1*9)=134
134 % 10 = 4
So 342900-89-4 is a valid CAS Registry Number.

342900-89-4Downstream Products

342900-89-4Relevant articles and documents

Asymmetric synthesis of the C(33)-C(37) fragment of amphotericin B

Tholander, Joakim,Carreira, Erick M.

, p. 613 - 622 (2001)

We have devised an expeditious, efficient, asymmetric synthesis of the C(33)-C(37) fragment of amphotericin B that proceeds in 14 steps and 16% overall yield from tiglic aldehyde ((E)-2-methylbut-2-enal) with complete stereocontrol. The route described he

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