299159-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299159-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 299159-57:
(8*2)+(7*9)+(6*9)+(5*1)+(4*5)+(3*9)+(2*5)+(1*7)=202
202 % 10 = 2
So 299159-57-2 is a valid CAS Registry Number.
299159-57-2Relevant articles and documents
Benzotriazole-mediated [1,2]-Wittig rearrangement. The preparation of homoalcohols from ethers
Katritzky, Alan R.,Fang, Yunfeng
, p. 1783 - 1788 (2007/10/03)
α-(Benzotriazol-1-yl)alkyl benzyl ethers (6a-e) undergo [1,2]-Wittig rearrangement upon treatment with 2 equiv of organolithium reagents.
