83181-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83181-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83181-99:
(7*8)+(6*3)+(5*1)+(4*8)+(3*1)+(2*9)+(1*9)=141
141 % 10 = 1
So 83181-99-1 is a valid CAS Registry Number.
83181-99-1Relevant articles and documents
Studies Related to Maytansinoids
Barton, Derek H.R.,Gero, Stephan D.,Maycock, Christopher D.
, p. 1541 - 1552 (2007/10/02)
(3R, 4R, 5R)-3-Benzoyloxy-4,5-dihydroxycyclohexanone ethylene dithioacetal (10), a compound elaborated from D-(-)-quinic acid, was cleaved at the cis-diol position by the use of triphenylbismuth carbonate.The resulting dialdehyde (11) was converted, in se