127685-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127685-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,8 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127685-31:
(8*1)+(7*2)+(6*7)+(5*6)+(4*8)+(3*5)+(2*3)+(1*1)=148
148 % 10 = 8
So 127685-31-8 is a valid CAS Registry Number.
127685-31-8Relevant articles and documents
The total synthesis of (+)-ryanodol. Part IV. Preparation of (+)-raynodol from (+)-anhydroryanodol
Deslongchamps, Pierre,Belanger, Andre,Berney, Daniel J. F.,Borschberg, Hans-Juerg,Brousseau, Robert,et al.
, p. 186 - 192 (2007/10/02)
This paper reports the transformation of (+)-anhydroryanodol (6) to (+)-ryanodol (7) by reductive cyclization of lactone epoxide derivatives 9 and 20 (Scheme 4).