82144-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82144-59-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,4 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82144-59:
(7*8)+(6*2)+(5*1)+(4*4)+(3*4)+(2*5)+(1*9)=120
120 % 10 = 0
So 82144-59-0 is a valid CAS Registry Number.
InChI:InChI=1/C20H34O5/c1-2-3-9-12-17(21)15-16-19(23)18(22)13-10-7-5-4-6-8-11-14-20(24)25/h4,6-7,10,15-19,21-23H,2-3,5,8-9,11-14H2,1H3,(H,24,25)/b6-4+,10-7+,16-15+
82144-59-0Relevant articles and documents
Allylic alcohol transposition by ortho ester-initiated carbonate extension. Synthesis of the vasodilator 11(R),12(S),15(S)-trihydroxyeicosa-5(Z),8(Z),13(E) -trienoic acid
Conrow, Raymond E.
, p. 2441 - 2443 (2007/10/03)
The title compound 1 was obtained via methyl ester 2, which was synthesized in four steps from an isomeric 11,14,15-triol ester 5. In the key step, Boc orthoformate 9 was treated with TMS triflate to initiate intramolecular nucleophilic substitution with