55623-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55623-03-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,2 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55623-03:
(7*5)+(6*5)+(5*6)+(4*2)+(3*3)+(2*0)+(1*3)=115
115 % 10 = 5
So 55623-03-5 is a valid CAS Registry Number.
InChI:InChI=1/C27H45IO/c1-17(2)6-5-7-18(3)25-10-11-26-24-14-19(16-28)23-15-20(29)8-9-21(23)22(24)12-13-27(25,26)4/h17-20,22,24-26,29H,5-16H2,1-4H3/t18?,19-,20-,22+,24+,25+,26-,27+/m0/s1
55623-03-5Relevant articles and documents
Homoallylic rearrangement of 19 iodocholest 5 en 3β ol: [I] new adrenal scanning agent
Maeda,Kojima,Ogawa
, p. 241 - 250 (2007/10/22)
Homoallylic rearrangement of 19 iodocholest 5 en 3β ol (II) gave 6β iodomethyl 19 norcholest 5 (10) en 3β ol (III). It was proved that the preparation of (II) according to the method of Counsell et al. previously reported usually contains (III) as a by product.