268540-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268540-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,8,5,4 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 268540-26:
(8*2)+(7*6)+(6*8)+(5*5)+(4*4)+(3*0)+(2*2)+(1*6)=157
157 % 10 = 7
So 268540-26-7 is a valid CAS Registry Number.
268540-26-7Relevant articles and documents
Synthesis of (24R)-3β,5,14α-trihydroxy-5α-stigmast-7-en-6-one 3-benzoate
Kovganko,Ananich
, p. 437 - 439 (1999)
An ecdysteroid analog has been synthesized from β-sitosterol.