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154084-98-7

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154084-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154084-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,0,8 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 154084-98:
(8*1)+(7*5)+(6*4)+(5*0)+(4*8)+(3*4)+(2*9)+(1*8)=137
137 % 10 = 7
So 154084-98-7 is a valid CAS Registry Number.

154084-98-7Relevant articles and documents

Application of intramolecular Heck reactions to the preparation of steroid and terpene intermediates having cis A-B ring fusions. Model studies for the total synthesis of complex cardenolides

Laschat,Narjes,Overman

, p. 347 - 358 (2007/10/02)

The cis-fused tricyclic dienone 13 is the major product formed from intramolecular Heck cyclization of the dienyl triflate 12 (Scheme I). Similarly, the cis-hexahydrophenanthridine 22 is formed in good yield from Heck cyclization of the aryl triflate 21.

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