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848044-56-4

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848044-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 848044-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,0,4 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 848044-56:
(8*8)+(7*4)+(6*8)+(5*0)+(4*4)+(3*4)+(2*5)+(1*6)=184
184 % 10 = 4
So 848044-56-4 is a valid CAS Registry Number.

848044-56-4Relevant articles and documents

Cyclic ether synthesis from diols using trimethyl phosphate

Asai, Shota,Kato, Maho,Monguchi, Yasunari,Sajiki, Hironao,Sawama, Yoshinari

, p. 4787 - 4790 (2017)

Cyclic ethers have been effectively synthesized via the intramolecular cyclization of diols using trimethyl phosphate and NaH. The present cyclization could proceed at room temperature to produce 5-7 membered cyclic ethers in good to excellent yields. Substrates possessing a chiral secondary hydroxy group were transformed into the corresponding chiral cyclic ethers along with the retention of their stereochemistries.

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