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135877-95-1

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135877-95-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135877-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,7 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 135877-95:
(8*1)+(7*3)+(6*5)+(5*8)+(4*7)+(3*7)+(2*9)+(1*5)=171
171 % 10 = 1
So 135877-95-1 is a valid CAS Registry Number.

135877-95-1Downstream Products

135877-95-1Relevant articles and documents

C-Glycosides. 9. Stereospecific Synthesis of C-Glycosidic Spiroketal of the Papulacandins

Czernecki, Stanislas,Perlat, Marie-Claude

, p. 6289 - 6292 (2007/10/02)

The reaction of ortho-lithiated triphenylmethyl benzyl ether with perbenzylated D-gluconolactone 1 followed by cyclization by BF3*Et2O provides a new stereospecific synthesis of C-glycosidic spiroketals.The structure of the peracetylated derivative was determined by X-ray diffraction.This methodology is applied to the synthesis of the spiroketal unit of papulacandins.

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