1391435-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1391435-98-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,4,3 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1391435-98:
(9*1)+(8*3)+(7*9)+(6*1)+(5*4)+(4*3)+(3*5)+(2*9)+(1*8)=175
175 % 10 = 5
So 1391435-98-5 is a valid CAS Registry Number.
1391435-98-5Relevant articles and documents
An efficient total synthesis of (-)-huperzine A
Ding, Rui,Sun, Bing-Feng,Lin, Guo-Qiang
, p. 4446 - 4449 (2012/10/29)
The total synthesis of Lycopodium alkaloid (-)-huperzine A has been accomplished in 10 steps with 17% overall yield from commercially abundant (R)-pulegone. The synthetic route features an efficient synthesis of 4 via a Buchwald-Hartwig coupling reaction,
