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436865-50-8

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436865-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 436865-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,6,8,6 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 436865-50:
(8*4)+(7*3)+(6*6)+(5*8)+(4*6)+(3*5)+(2*5)+(1*0)=178
178 % 10 = 8
So 436865-50-8 is a valid CAS Registry Number.

436865-50-8Upstream product

436865-50-8Relevant articles and documents

An efficient regioselective and diastereoselective synthesis of the epoxy-quinol functionality as building block for the Manumycin antibiotics by the sequence of photooxygenation, reduction and Weitz-Scheffer epoxidation

Adam, Waldemar,Kili?, Hamdullah,Saha-M?ller, Chantu R.

, p. 510 - 512 (2002)

The photooxygenation of the acetanilide 2 affords the hydroperoxide 3, which by titanium-tetraisopropoxide-catalyzed reduction with dimethyl sulfide gives the corresponding quinol 4. Regioselective and diastereoselective Weitz-Scheffer epoxidation of the latter by tert-butyl hydroperoxide (TBHP) and DBU as base catalyst leads to the cis-epoxy quinol 1, the essential functionality in Manumycin antibiotics.

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