171525-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171525-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,2 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 171525-79:
(8*1)+(7*7)+(6*1)+(5*5)+(4*2)+(3*5)+(2*7)+(1*9)=134
134 % 10 = 4
So 171525-79-4 is a valid CAS Registry Number.
171525-79-4Relevant articles and documents
THE TOTAL SYNTHESIS OF (+/-)-ISOPISIFERIN METHYL ETHER
Wang, Xuechao,Cui, Yuxin,Pan, Xinfu,Chen, Yaozu
, p. 563 - 566 (2007/10/02)
A novel and effective convergent synthesis of (ae)-isopisiferin methyl ether, a rearranged abietane diterpene, having a hexahydrodibenzocycloheptene ring system, was achieved by Wittig reaction, selective hydrogenation and selective oxidation.
