137548-46-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137548-46-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,4 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137548-46:
(8*1)+(7*3)+(6*7)+(5*5)+(4*4)+(3*8)+(2*4)+(1*6)=150
150 % 10 = 0
So 137548-46-0 is a valid CAS Registry Number.
137548-46-0Relevant articles and documents
25-PHOSPHORUS ANALOGS OF VITAMIN D3
Dauben, William G.,Ollmann, Richard R.,Funhoff, Angelika S.,Leung, Suzanne S.,Norman, Anthony W.,Bishop, June E.
, p. 4643 - 4646 (1991)
The syntheses of 1α-hydroxy-25-oxo-25-phosphavitamin D3, 25-oxo-25-phospha-26,27-dioxa-26,27-dimethylvitamin D3, and 1α-hydroxy-25-oxo-25-phospha-26,27-dioxa-26,27-dimethylvitamin D3 are reported.The biological activity of