1251936-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1251936-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,9,3 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1251936-40:
(9*1)+(8*2)+(7*5)+(6*1)+(5*9)+(4*3)+(3*6)+(2*4)+(1*0)=149
149 % 10 = 9
So 1251936-40-9 is a valid CAS Registry Number.
1251936-40-9Relevant articles and documents
A process for the preparation of intermediates palestinian multi-past fragrance acetate
-
, (2017/01/31)
The invention discloses a method for preparing a bazedoxifene acetate intermediate. The preparation method comprises the following steps: 1, condensing 4-hydroxybenzaldehyde S01 and alkylate S02 to prepare a 4-formyl phenoxy derivative M01; 2, performing