Cas 1250255-99-2,C29H36O7

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Check Digit Verification of cas no

The CAS Registry Mumber 1250255-99-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,0,2,5 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1250255-99:
(9*1)+(8*2)+(7*5)+(6*0)+(5*2)+(4*5)+(3*5)+(2*9)+(1*9)=132
132 % 10 = 2
So 1250255-99-2 is a valid CAS Registry Number.

1250255-99-2Upstream product

1250255-98-1 C₃₅H₅₀O₇Si

1250255-99-2Downstream Products

1250255-85-6 C₂₉H₃₄O₇

1250255-99-2Relevant academic research and scientific papers

Formal total synthesis of okadaic acid via regiocontrolled gold(I)-catalyzed spiroketalizations

Fang, Chao,Pang, Yucheng,Forsyth, Craig J.

supporting information; experimental part, p. 4528 - 4531 (2010/12/18)

Both C19 and C34 spiroketal domains of okadaic acid were assembled using gold(I) chloride catalyzed spiroketalizations, and the two resulting fragments were coupled to give the C15 - C38 fragment of okadaic acid, a known intermediate for the total synthesis of this important natural product.

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