81526-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81526-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,2 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81526-02:
(7*8)+(6*1)+(5*5)+(4*2)+(3*6)+(2*0)+(1*2)=115
115 % 10 = 5
So 81526-02-5 is a valid CAS Registry Number.
81526-02-5Relevant articles and documents
STEREOSELECTIVE SYNTHESIS OF (+/-)-DEETHYLASPIDOSPERMIDINE
Natsume, Mitsutaka,Utsunomiya, Iwao
, p. 111 - 115 (2007/10/02)
Conjugate addition of various carbanions to the enones 2 afforded 2,3-trans substituted piperidinones 3. (+/-)-Deethylaspidospermidine (12a) was synthesized from 1b via 5b, 7, and 11a in the stereoselective manner.
