14357-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14357-76-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,3,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 14357-76:
(7*1)+(6*4)+(5*3)+(4*5)+(3*7)+(2*7)+(1*6)=107
107 % 10 = 7
So 14357-76-7 is a valid CAS Registry Number.
InChI:InChI=1/C25H35NO4/c1-5-8-22(2,28)17-14-23-9-10-25(17,29-4)21-24(23)11-12-26(3)18(23)13-15-6-7-16(27)20(30-21)19(15)24/h6-7,17-18,21,27-28H,5,8-14H2,1-4H3/t17-,18-,21-,22-,23-,24+,25-/m1/s1
14357-76-7Relevant articles and documents
IMPROVED METHOD OF MANUFACTURING BUPRENORPHINE AND ANALOGUES THEREOF FROM ORIPAVINE
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Page/Page column 27, (2016/06/15)
The invention relates to an improved method of preparing buprenorphine, a salt thereof, analogues of buprenorphine and their salts. In particular, the invention relates to a method of preparing buprenorphine and related products and salts in economic and ecologic ways having increased yields.