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135821-90-8

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135821-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135821-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135821-90:
(8*1)+(7*3)+(6*5)+(5*8)+(4*2)+(3*1)+(2*9)+(1*0)=128
128 % 10 = 8
So 135821-90-8 is a valid CAS Registry Number.
InChI:InChI=1/C28H46O3/c1-21-19-30-26(4,5)31-20-23(21)13-12-22-11-10-17-28(7)24(22)14-18-27(28,6)16-9-8-15-25(2,3)29/h12-13,24,29H,1,8-11,14-20H2,2-7H3/b22-12+,23-13-/t24-,27-,28-/m1/s1

135821-90-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-[(1R,3aR,4E,7aR)-4-[(2E)-2-(2,2-dimethyl-6-methylidene-1,3-dioxepan-5-ylidene)ethylidene]-1,7a-dimethyl-2,3,3a,5,6,7-hexahydroinden-1-yl]-2-methylhexan-2-ol

1.2 Other means of identification

Product number -
Other names Hddd-25-OH-D3

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:135821-90-8 SDS

135821-90-8Downstream Products

135821-90-8Relevant articles and documents

[1,7]-Sigmatropic hydrogen shifts of A-norvitamin D analogues: Ring size and substituent effects on the provitamin D-vitamin D equilibrium

Enas, Joel D.,Shen, Giin-Yuan,Okamura, William H.

, p. 3873 - 3881 (2007/10/02)

The [1,7]-sigmatropic hydrogen shift of the 11α-OH-A-norprevitamin D analogue 9 and its 11β-epimer 10 to the vitamin forms 24 and 25, respectively, was determined to be ~20 and ~10 times faster than that of provitamin D3 (1) to vitamin D3

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