170511-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170511-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,5,1 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 170511-91:
(8*1)+(7*7)+(6*0)+(5*5)+(4*1)+(3*1)+(2*9)+(1*1)=108
108 % 10 = 8
So 170511-91-8 is a valid CAS Registry Number.
170511-91-8Relevant articles and documents
SYNTHESIS OF (24R)-HOMOBRASSINOLIDE
Khripach, V.A.,Zhabinskii, V.N.,Ol'khovik, V.K.
, p. 352 - 356 (2007/10/02)
The synthesis from stigmasterol of C-29 brassinosteroids containing an (R)-ethyl group at C24 - (24R)-homocastasterone and (24R)-homobrassinolide - is described.The structure of the carbon skeleton of the side-chain was achieved by condensing a C-22 aldeh