136983-36-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136983-36-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,8 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 136983-36:
(8*1)+(7*3)+(6*6)+(5*9)+(4*8)+(3*3)+(2*3)+(1*6)=163
163 % 10 = 3
So 136983-36-3 is a valid CAS Registry Number.
136983-36-3Relevant articles and documents
The Total Synthesis of Frangulanine
Schmidt, Ulrich,Zaeh, Matthias,Lieberknecht, Albrecht
, p. 1002 - 1004 (2007/10/02)
The reported preparation of the p-ansa compound frangulanine, previously isolated from Rhamnus frangula L., also constitutes the first total synthesis of a fourteen-membered cyclopeptide alkaloid.